39311740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3217}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 90824832

約数和(自身を除く): 51513092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 3217, 6110, 6434, 12220, 12868, 16085, 32170, 41821, 64340, 83642, 151199, 167284, 209105, 302398, 418210, 604796, 755995, 836420, 1511990, 1965587, 3023980, 3931174, 7862348, 9827935, 19655870, 39311740]

約数ペア:

[(1, 39311740), (2, 19655870), (4, 9827935), (5, 7862348), (10, 3931174), (13, 3023980), (20, 1965587), (26, 1511990), (47, 836420), (52, 755995), (65, 604796), (94, 418210), (130, 302398), (188, 209105), (235, 167284), (260, 151199), (470, 83642), (611, 64340), (940, 41821), (1222, 32170), (2444, 16085), (3055, 12868), (3217, 12220), (6110, 6434)]