42431870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10529}}^1$

素因数の和:10580

約数の個数: 32

約数和(自身を含む): 84913920

約数和(自身を除く): 42482050

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 10529, 21058, 52645, 105290, 136877, 273754, 326399, 652798, 684385, 1368770, 1631995, 3263990, 4243187, 8486374, 21215935, 42431870]

約数ペア:

[(1, 42431870), (2, 21215935), (5, 8486374), (10, 4243187), (13, 3263990), (26, 1631995), (31, 1368770), (62, 684385), (65, 652798), (130, 326399), (155, 273754), (310, 136877), (403, 105290), (806, 52645), (2015, 21058), (4030, 10529)]