85840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 40

約数和(自身を含む): 212040

約数和(自身を除く): 126200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 370, 464, 580, 592, 740, 1073, 1160, 1480, 2146, 2320, 2960, 4292, 5365, 8584, 10730, 17168, 21460, 42920, 85840]

約数ペア:

[(1, 85840), (2, 42920), (4, 21460), (5, 17168), (8, 10730), (10, 8584), (16, 5365), (20, 4292), (29, 2960), (37, 2320), (40, 2146), (58, 1480), (74, 1160), (80, 1073), (116, 740), (145, 592), (148, 580), (185, 464), (232, 370), (290, 296)]