164460440

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{14843}}^1$

素因数の和:15131

約数の個数: 32

約数和(自身を含む): 371396880

約数和(自身を除く): 206936440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 14843, 29686, 59372, 74215, 118744, 148430, 296860, 593720, 4111511, 8223022, 16446044, 20557555, 32892088, 41115110, 82230220, 164460440]

約数ペア:

[(1, 164460440), (2, 82230220), (4, 41115110), (5, 32892088), (8, 20557555), (10, 16446044), (20, 8223022), (40, 4111511), (277, 593720), (554, 296860), (1108, 148430), (1385, 118744), (2216, 74215), (2770, 59372), (5540, 29686), (11080, 14843)]