19614400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 168

約数和(自身を含む): 55558944

約数和(自身を除く): 35944544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 32, 40, 41, 46, 50, 52, 64, 65, 80, 82, 92, 100, 104, 115, 130, 160, 164, 184, 200, 205, 208, 230, 260, 299, 320, 325, 328, 368, 400, 410, 416, 460, 520, 533, 575, 598, 650, 656, 736, 800, 820, 832, 920, 943, 1025, 1040, 1066, 1150, 1196, 1300, 1312, 1472, 1495, 1600, 1640, 1840, 1886, 2050, 2080, 2132, 2300, 2392, 2600, 2624, 2665, 2990, 3280, 3680, 3772, 4100, 4160, 4264, 4600, 4715, 4784, 5200, 5330, 5980, 6560, 7360, 7475, 7544, 8200, 8528, 9200, 9430, 9568, 10400, 10660, 11960, 12259, 13120, 13325, 14950, 15088, 16400, 17056, 18400, 18860, 19136, 20800, 21320, 23575, 23920, 24518, 26650, 29900, 30176, 32800, 34112, 36800, 37720, 42640, 47150, 47840, 49036, 53300, 59800, 60352, 61295, 65600, 75440, 85280, 94300, 95680, 98072, 106600, 119600, 122590, 150880, 170560, 188600, 196144, 213200, 239200, 245180, 301760, 306475, 377200, 392288, 426400, 478400, 490360, 612950, 754400, 784576, 852800, 980720, 1225900, 1508800, 1961440, 2451800, 3922880, 4903600, 9807200, 19614400]

約数ペア:

[(1, 19614400), (2, 9807200), (4, 4903600), (5, 3922880), (8, 2451800), (10, 1961440), (13, 1508800), (16, 1225900), (20, 980720), (23, 852800), (25, 784576), (26, 754400), (32, 612950), (40, 490360), (41, 478400), (46, 426400), (50, 392288), (52, 377200), (64, 306475), (65, 301760), (80, 245180), (82, 239200), (92, 213200), (100, 196144), (104, 188600), (115, 170560), (130, 150880), (160, 122590), (164, 119600), (184, 106600), (200, 98072), (205, 95680), (208, 94300), (230, 85280), (260, 75440), (299, 65600), (320, 61295), (325, 60352), (328, 59800), (368, 53300), (400, 49036), (410, 47840), (416, 47150), (460, 42640), (520, 37720), (533, 36800), (575, 34112), (598, 32800), (650, 30176), (656, 29900), (736, 26650), (800, 24518), (820, 23920), (832, 23575), (920, 21320), (943, 20800), (1025, 19136), (1040, 18860), (1066, 18400), (1150, 17056), (1196, 16400), (1300, 15088), (1312, 14950), (1472, 13325), (1495, 13120), (1600, 12259), (1640, 11960), (1840, 10660), (1886, 10400), (2050, 9568), (2080, 9430), (2132, 9200), (2300, 8528), (2392, 8200), (2600, 7544), (2624, 7475), (2665, 7360), (2990, 6560), (3280, 5980), (3680, 5330), (3772, 5200), (4100, 4784), (4160, 4715), (4264, 4600)]