77448040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31741}}^1$

素因数の和:31813

約数の個数: 32

約数和(自身を含む): 177120360

約数和(自身を除く): 99672320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 31741, 63482, 126964, 158705, 253928, 317410, 634820, 1269640, 1936201, 3872402, 7744804, 9681005, 15489608, 19362010, 38724020, 77448040]

約数ペア:

[(1, 77448040), (2, 38724020), (4, 19362010), (5, 15489608), (8, 9681005), (10, 7744804), (20, 3872402), (40, 1936201), (61, 1269640), (122, 634820), (244, 317410), (305, 253928), (488, 158705), (610, 126964), (1220, 63482), (2440, 31741)]