75420640

素因数分解:

$2^5\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1487}}^1$

素因数の和:1819

約数の個数: 48

約数和(自身を含む): 178863552

約数和(自身を除く): 103442912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 317, 634, 1268, 1487, 1585, 2536, 2974, 3170, 5072, 5948, 6340, 7435, 10144, 11896, 12680, 14870, 23792, 25360, 29740, 47584, 50720, 59480, 118960, 237920, 471379, 942758, 1885516, 2356895, 3771032, 4713790, 7542064, 9427580, 15084128, 18855160, 37710320, 75420640]

約数ペア:

[(1, 75420640), (2, 37710320), (4, 18855160), (5, 15084128), (8, 9427580), (10, 7542064), (16, 4713790), (20, 3771032), (32, 2356895), (40, 1885516), (80, 942758), (160, 471379), (317, 237920), (634, 118960), (1268, 59480), (1487, 50720), (1585, 47584), (2536, 29740), (2974, 25360), (3170, 23792), (5072, 14870), (5948, 12680), (6340, 11896), (7435, 10144)]