74431240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143137}}^1$

素因数の和:143161

約数の個数: 32

約数和(自身を含む): 180353880

約数和(自身を除く): 105922640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143137, 286274, 572548, 715685, 1145096, 1431370, 1860781, 2862740, 3721562, 5725480, 7443124, 9303905, 14886248, 18607810, 37215620, 74431240]

約数ペア:

[(1, 74431240), (2, 37215620), (4, 18607810), (5, 14886248), (8, 9303905), (10, 7443124), (13, 5725480), (20, 3721562), (26, 2862740), (40, 1860781), (52, 1431370), (65, 1145096), (104, 715685), (130, 572548), (260, 286274), (520, 143137)]