1765432040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{621631}}^1$

素因数の和:621713

約数の個数: 32

約数和(自身を含む): 4028175360

約数和(自身を除く): 2262743320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 621631, 1243262, 2486524, 3108155, 4973048, 6216310, 12432620, 24865240, 44135801, 88271602, 176543204, 220679005, 353086408, 441358010, 882716020, 1765432040]

約数ペア:

[(1, 1765432040), (2, 882716020), (4, 441358010), (5, 353086408), (8, 220679005), (10, 176543204), (20, 88271602), (40, 44135801), (71, 24865240), (142, 12432620), (284, 6216310), (355, 4973048), (568, 3108155), (710, 2486524), (1420, 1243262), (2840, 621631)]