80857580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109267}}^1$

素因数の和:109313

約数の個数: 24

約数和(自身を含む): 174391728

約数和(自身を除く): 93534148

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 109267, 218534, 437068, 546335, 1092670, 2185340, 4042879, 8085758, 16171516, 20214395, 40428790, 80857580]

約数ペア:

[(1, 80857580), (2, 40428790), (4, 20214395), (5, 16171516), (10, 8085758), (20, 4042879), (37, 2185340), (74, 1092670), (148, 546335), (185, 437068), (370, 218534), (740, 109267)]