66432440

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{6949}}^1$

素因数の和:7199

約数の個数: 32

約数和(自身を含む): 150120000

約数和(自身を除く): 83687560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 6949, 9560, 13898, 27796, 34745, 55592, 69490, 138980, 277960, 1660811, 3321622, 6643244, 8304055, 13286488, 16608110, 33216220, 66432440]

約数ペア:

[(1, 66432440), (2, 33216220), (4, 16608110), (5, 13286488), (8, 8304055), (10, 6643244), (20, 3321622), (40, 1660811), (239, 277960), (478, 138980), (956, 69490), (1195, 55592), (1912, 34745), (2390, 27796), (4780, 13898), (6949, 9560)]