54948920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 133993440

約数和(自身を除く): 79044520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 421, 502, 520, 842, 1004, 1255, 1684, 2008, 2105, 2510, 3263, 3368, 4210, 5020, 5473, 6526, 8420, 10040, 10946, 13052, 16315, 16840, 21892, 26104, 27365, 32630, 43784, 54730, 65260, 105671, 109460, 130520, 211342, 218920, 422684, 528355, 845368, 1056710, 1373723, 2113420, 2747446, 4226840, 5494892, 6868615, 10989784, 13737230, 27474460, 54948920]

約数ペア:

[(1, 54948920), (2, 27474460), (4, 13737230), (5, 10989784), (8, 6868615), (10, 5494892), (13, 4226840), (20, 2747446), (26, 2113420), (40, 1373723), (52, 1056710), (65, 845368), (104, 528355), (130, 422684), (251, 218920), (260, 211342), (421, 130520), (502, 109460), (520, 105671), (842, 65260), (1004, 54730), (1255, 43784), (1684, 32630), (2008, 27365), (2105, 26104), (2510, 21892), (3263, 16840), (3368, 16315), (4210, 13052), (5020, 10946), (5473, 10040), (6526, 8420)]