13806340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 30164400

約数和(自身を除く): 16358060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 149, 164, 205, 226, 298, 410, 452, 565, 596, 745, 820, 1130, 1490, 2260, 2980, 4633, 6109, 9266, 12218, 16837, 18532, 23165, 24436, 30545, 33674, 46330, 61090, 67348, 84185, 92660, 122180, 168370, 336740, 690317, 1380634, 2761268, 3451585, 6903170, 13806340]

約数ペア:

[(1, 13806340), (2, 6903170), (4, 3451585), (5, 2761268), (10, 1380634), (20, 690317), (41, 336740), (82, 168370), (113, 122180), (149, 92660), (164, 84185), (205, 67348), (226, 61090), (298, 46330), (410, 33674), (452, 30545), (565, 24436), (596, 23165), (745, 18532), (820, 16837), (1130, 12218), (1490, 9266), (2260, 6109), (2980, 4633)]