31393960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60373}}^1$

素因数の和:60397

約数の個数: 32

約数和(自身を含む): 76071240

約数和(自身を除く): 44677280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60373, 120746, 241492, 301865, 482984, 603730, 784849, 1207460, 1569698, 2414920, 3139396, 3924245, 6278792, 7848490, 15696980, 31393960]

約数ペア:

[(1, 31393960), (2, 15696980), (4, 7848490), (5, 6278792), (8, 3924245), (10, 3139396), (13, 2414920), (20, 1569698), (26, 1207460), (40, 784849), (52, 603730), (65, 482984), (104, 301865), (130, 241492), (260, 120746), (520, 60373)]