9881360

素因数分解:

$2^4\times 5^1\times {\mathrm{123517}}^1$

素因数の和:123530

約数の個数: 20

約数和(自身を含む): 22974348

約数和(自身を除く): 13092988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123517, 247034, 494068, 617585, 988136, 1235170, 1976272, 2470340, 4940680, 9881360]

約数ペア:

[(1, 9881360), (2, 4940680), (4, 2470340), (5, 1976272), (8, 1235170), (10, 988136), (16, 617585), (20, 494068), (40, 247034), (80, 123517)]