65809640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 160392960

約数和(自身を除く): 94583320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 467, 520, 542, 934, 1084, 1355, 1868, 2168, 2335, 2710, 3523, 3736, 4670, 5420, 6071, 7046, 9340, 10840, 12142, 14092, 17615, 18680, 24284, 28184, 30355, 35230, 48568, 60710, 70460, 121420, 126557, 140920, 242840, 253114, 506228, 632785, 1012456, 1265570, 1645241, 2531140, 3290482, 5062280, 6580964, 8226205, 13161928, 16452410, 32904820, 65809640]

約数ペア:

[(1, 65809640), (2, 32904820), (4, 16452410), (5, 13161928), (8, 8226205), (10, 6580964), (13, 5062280), (20, 3290482), (26, 2531140), (40, 1645241), (52, 1265570), (65, 1012456), (104, 632785), (130, 506228), (260, 253114), (271, 242840), (467, 140920), (520, 126557), (542, 121420), (934, 70460), (1084, 60710), (1355, 48568), (1868, 35230), (2168, 30355), (2335, 28184), (2710, 24284), (3523, 18680), (3736, 17615), (4670, 14092), (5420, 12142), (6071, 10840), (7046, 9340)]