39946400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 110242944

約数和(自身を除く): 70296544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 32, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 130, 160, 167, 184, 200, 208, 230, 260, 299, 325, 334, 368, 400, 416, 460, 520, 575, 598, 650, 668, 736, 800, 835, 920, 1040, 1150, 1196, 1300, 1336, 1495, 1670, 1840, 2080, 2171, 2300, 2392, 2600, 2672, 2990, 3340, 3680, 3841, 4175, 4342, 4600, 4784, 5200, 5344, 5980, 6680, 7475, 7682, 8350, 8684, 9200, 9568, 10400, 10855, 11960, 13360, 14950, 15364, 16700, 17368, 18400, 19205, 21710, 23920, 26720, 29900, 30728, 33400, 34736, 38410, 43420, 47840, 49933, 54275, 59800, 61456, 66800, 69472, 76820, 86840, 96025, 99866, 108550, 119600, 122912, 133600, 153640, 173680, 192050, 199732, 217100, 239200, 249665, 307280, 347360, 384100, 399464, 434200, 499330, 614560, 768200, 798928, 868400, 998660, 1248325, 1536400, 1597856, 1736800, 1997320, 2496650, 3072800, 3994640, 4993300, 7989280, 9986600, 19973200, 39946400]

約数ペア:

[(1, 39946400), (2, 19973200), (4, 9986600), (5, 7989280), (8, 4993300), (10, 3994640), (13, 3072800), (16, 2496650), (20, 1997320), (23, 1736800), (25, 1597856), (26, 1536400), (32, 1248325), (40, 998660), (46, 868400), (50, 798928), (52, 768200), (65, 614560), (80, 499330), (92, 434200), (100, 399464), (104, 384100), (115, 347360), (130, 307280), (160, 249665), (167, 239200), (184, 217100), (200, 199732), (208, 192050), (230, 173680), (260, 153640), (299, 133600), (325, 122912), (334, 119600), (368, 108550), (400, 99866), (416, 96025), (460, 86840), (520, 76820), (575, 69472), (598, 66800), (650, 61456), (668, 59800), (736, 54275), (800, 49933), (835, 47840), (920, 43420), (1040, 38410), (1150, 34736), (1196, 33400), (1300, 30728), (1336, 29900), (1495, 26720), (1670, 23920), (1840, 21710), (2080, 19205), (2171, 18400), (2300, 17368), (2392, 16700), (2600, 15364), (2672, 14950), (2990, 13360), (3340, 11960), (3680, 10855), (3841, 10400), (4175, 9568), (4342, 9200), (4600, 8684), (4784, 8350), (5200, 7682), (5344, 7475), (5980, 6680)]