85895420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10657}}^1$

素因数の和:10710

約数の個数: 48

約数和(自身を含む): 200540928

約数和(自身を除く): 114645508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 10657, 21314, 42628, 53285, 106570, 138541, 213140, 277082, 330367, 554164, 660734, 692705, 1321468, 1385410, 1651835, 2770820, 3303670, 4294771, 6607340, 8589542, 17179084, 21473855, 42947710, 85895420]

約数ペア:

[(1, 85895420), (2, 42947710), (4, 21473855), (5, 17179084), (10, 8589542), (13, 6607340), (20, 4294771), (26, 3303670), (31, 2770820), (52, 1651835), (62, 1385410), (65, 1321468), (124, 692705), (130, 660734), (155, 554164), (260, 330367), (310, 277082), (403, 213140), (620, 138541), (806, 106570), (1612, 53285), (2015, 42628), (4030, 21314), (8060, 10657)]