91782280

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{8467}}^1$

素因数の和:8749

約数の個数: 32

約数和(自身を含む): 207296640

約数和(自身を除く): 115514360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 8467, 10840, 16934, 33868, 42335, 67736, 84670, 169340, 338680, 2294557, 4589114, 9178228, 11472785, 18356456, 22945570, 45891140, 91782280]

約数ペア:

[(1, 91782280), (2, 45891140), (4, 22945570), (5, 18356456), (8, 11472785), (10, 9178228), (20, 4589114), (40, 2294557), (271, 338680), (542, 169340), (1084, 84670), (1355, 67736), (2168, 42335), (2710, 33868), (5420, 16934), (8467, 10840)]