31096520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8543}}^1$

素因数の和:8574

約数の個数: 64

約数和(自身を含む): 86123520

約数和(自身を除く): 55027000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 8543, 17086, 34172, 42715, 59801, 68344, 85430, 111059, 119602, 170860, 222118, 239204, 299005, 341720, 444236, 478408, 555295, 598010, 777413, 888472, 1110590, 1196020, 1554826, 2221180, 2392040, 3109652, 3887065, 4442360, 6219304, 7774130, 15548260, 31096520]

約数ペア:

[(1, 31096520), (2, 15548260), (4, 7774130), (5, 6219304), (7, 4442360), (8, 3887065), (10, 3109652), (13, 2392040), (14, 2221180), (20, 1554826), (26, 1196020), (28, 1110590), (35, 888472), (40, 777413), (52, 598010), (56, 555295), (65, 478408), (70, 444236), (91, 341720), (104, 299005), (130, 239204), (140, 222118), (182, 170860), (260, 119602), (280, 111059), (364, 85430), (455, 68344), (520, 59801), (728, 42715), (910, 34172), (1820, 17086), (3640, 8543)]