81207100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{62467}}^1$

素因数の和:62494

約数の個数: 36

約数和(自身を含む): 189777784

約数和(自身を除く): 108570684

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 62467, 124934, 249868, 312335, 624670, 812071, 1249340, 1561675, 1624142, 3123350, 3248284, 4060355, 6246700, 8120710, 16241420, 20301775, 40603550, 81207100]

約数ペア:

[(1, 81207100), (2, 40603550), (4, 20301775), (5, 16241420), (10, 8120710), (13, 6246700), (20, 4060355), (25, 3248284), (26, 3123350), (50, 1624142), (52, 1561675), (65, 1249340), (100, 812071), (130, 624670), (260, 312335), (325, 249868), (650, 124934), (1300, 62467)]