634200040

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{9781}}^1$

素因数の和:11413

約数の個数: 32

約数和(自身を含む): 1427976360

約数和(自身を除く): 793776320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 3242, 6484, 8105, 9781, 12968, 16210, 19562, 32420, 39124, 48905, 64840, 78248, 97810, 195620, 391240, 15855001, 31710002, 63420004, 79275005, 126840008, 158550010, 317100020, 634200040]

約数ペア:

[(1, 634200040), (2, 317100020), (4, 158550010), (5, 126840008), (8, 79275005), (10, 63420004), (20, 31710002), (40, 15855001), (1621, 391240), (3242, 195620), (6484, 97810), (8105, 78248), (9781, 64840), (12968, 48905), (16210, 39124), (19562, 32420)]