85437860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137803}}^1$

素因数の和:137843

約数の個数: 24

約数和(自身を含む): 185208576

約数和(自身を除く): 99770716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 137803, 275606, 551212, 689015, 1378030, 2756060, 4271893, 8543786, 17087572, 21359465, 42718930, 85437860]

約数ペア:

[(1, 85437860), (2, 42718930), (4, 21359465), (5, 17087572), (10, 8543786), (20, 4271893), (31, 2756060), (62, 1378030), (124, 689015), (155, 551212), (310, 275606), (620, 137803)]