89805820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1637}}^1$

素因数の和:1870

約数の個数: 48

約数和(自身を含む): 204186528

約数和(自身を除く): 114380708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 1637, 2110, 2743, 3274, 4220, 5486, 6548, 8185, 10972, 13715, 16370, 21281, 27430, 32740, 42562, 54860, 85124, 106405, 212810, 345407, 425620, 690814, 1381628, 1727035, 3454070, 4490291, 6908140, 8980582, 17961164, 22451455, 44902910, 89805820]

約数ペア:

[(1, 89805820), (2, 44902910), (4, 22451455), (5, 17961164), (10, 8980582), (13, 6908140), (20, 4490291), (26, 3454070), (52, 1727035), (65, 1381628), (130, 690814), (211, 425620), (260, 345407), (422, 212810), (844, 106405), (1055, 85124), (1637, 54860), (2110, 42562), (2743, 32740), (3274, 27430), (4220, 21281), (5486, 16370), (6548, 13715), (8185, 10972)]