61791760

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7499}}^1$

素因数の和:7615

約数の個数: 40

約数和(自身を含む): 145080000

約数和(自身を除く): 83288240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 7499, 8240, 14998, 29996, 37495, 59992, 74990, 119984, 149980, 299960, 599920, 772397, 1544794, 3089588, 3861985, 6179176, 7723970, 12358352, 15447940, 30895880, 61791760]

約数ペア:

[(1, 61791760), (2, 30895880), (4, 15447940), (5, 12358352), (8, 7723970), (10, 6179176), (16, 3861985), (20, 3089588), (40, 1544794), (80, 772397), (103, 599920), (206, 299960), (412, 149980), (515, 119984), (824, 74990), (1030, 59992), (1648, 37495), (2060, 29996), (4120, 14998), (7499, 8240)]