5142800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 120

約数和(自身を含む): 14207424

約数和(自身を除く): 9064624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 43, 46, 50, 52, 65, 80, 86, 92, 100, 104, 115, 130, 172, 184, 200, 208, 215, 230, 260, 299, 325, 344, 368, 400, 430, 460, 520, 559, 575, 598, 650, 688, 860, 920, 989, 1040, 1075, 1118, 1150, 1196, 1300, 1495, 1720, 1840, 1978, 2150, 2236, 2300, 2392, 2600, 2795, 2990, 3440, 3956, 4300, 4472, 4600, 4784, 4945, 5200, 5590, 5980, 7475, 7912, 8600, 8944, 9200, 9890, 11180, 11960, 12857, 13975, 14950, 15824, 17200, 19780, 22360, 23920, 24725, 25714, 27950, 29900, 39560, 44720, 49450, 51428, 55900, 59800, 64285, 79120, 98900, 102856, 111800, 119600, 128570, 197800, 205712, 223600, 257140, 321425, 395600, 514280, 642850, 1028560, 1285700, 2571400, 5142800]

約数ペア:

[(1, 5142800), (2, 2571400), (4, 1285700), (5, 1028560), (8, 642850), (10, 514280), (13, 395600), (16, 321425), (20, 257140), (23, 223600), (25, 205712), (26, 197800), (40, 128570), (43, 119600), (46, 111800), (50, 102856), (52, 98900), (65, 79120), (80, 64285), (86, 59800), (92, 55900), (100, 51428), (104, 49450), (115, 44720), (130, 39560), (172, 29900), (184, 27950), (200, 25714), (208, 24725), (215, 23920), (230, 22360), (260, 19780), (299, 17200), (325, 15824), (344, 14950), (368, 13975), (400, 12857), (430, 11960), (460, 11180), (520, 9890), (559, 9200), (575, 8944), (598, 8600), (650, 7912), (688, 7475), (860, 5980), (920, 5590), (989, 5200), (1040, 4945), (1075, 4784), (1118, 4600), (1150, 4472), (1196, 4300), (1300, 3956), (1495, 3440), (1720, 2990), (1840, 2795), (1978, 2600), (2150, 2392), (2236, 2300)]