73982840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17957}}^1$

素因数の和:18071

約数の個数: 32

約数和(自身を含む): 168086880

約数和(自身を除く): 94104040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 17957, 35914, 71828, 89785, 143656, 179570, 359140, 718280, 1849571, 3699142, 7398284, 9247855, 14796568, 18495710, 36991420, 73982840]

約数ペア:

[(1, 73982840), (2, 36991420), (4, 18495710), (5, 14796568), (8, 9247855), (10, 7398284), (20, 3699142), (40, 1849571), (103, 718280), (206, 359140), (412, 179570), (515, 143656), (824, 89785), (1030, 71828), (2060, 35914), (4120, 17957)]