87876920

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{8167}}^1$

素因数の和:8447

約数の個数: 32

約数和(自身を含む): 198482400

約数和(自身を除く): 110605480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 8167, 10760, 16334, 32668, 40835, 65336, 81670, 163340, 326680, 2196923, 4393846, 8787692, 10984615, 17575384, 21969230, 43938460, 87876920]

約数ペア:

[(1, 87876920), (2, 43938460), (4, 21969230), (5, 17575384), (8, 10984615), (10, 8787692), (20, 4393846), (40, 2196923), (269, 326680), (538, 163340), (1076, 81670), (1345, 65336), (2152, 40835), (2690, 32668), (5380, 16334), (8167, 10760)]