66625420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 143928288

約数和(自身を除く): 77302868

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 194, 244, 305, 388, 485, 563, 610, 970, 1126, 1220, 1940, 2252, 2815, 5630, 5917, 11260, 11834, 23668, 29585, 34343, 54611, 59170, 68686, 109222, 118340, 137372, 171715, 218444, 273055, 343430, 546110, 686860, 1092220, 3331271, 6662542, 13325084, 16656355, 33312710, 66625420]

約数ペア:

[(1, 66625420), (2, 33312710), (4, 16656355), (5, 13325084), (10, 6662542), (20, 3331271), (61, 1092220), (97, 686860), (122, 546110), (194, 343430), (244, 273055), (305, 218444), (388, 171715), (485, 137372), (563, 118340), (610, 109222), (970, 68686), (1126, 59170), (1220, 54611), (1940, 34343), (2252, 29585), (2815, 23668), (5630, 11834), (5917, 11260)]