51531740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4217}}^1$

素因数の和:4286

約数の個数: 48

約数和(自身を含む): 119048832

約数和(自身を除く): 67517092

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, 4217, 6110, 8434, 12220, 16868, 21085, 42170, 54821, 84340, 109642, 198199, 219284, 274105, 396398, 548210, 792796, 990995, 1096420, 1981990, 2576587, 3963980, 5153174, 10306348, 12882935, 25765870, 51531740]

約数ペア:

[(1, 51531740), (2, 25765870), (4, 12882935), (5, 10306348), (10, 5153174), (13, 3963980), (20, 2576587), (26, 1981990), (47, 1096420), (52, 990995), (65, 792796), (94, 548210), (130, 396398), (188, 274105), (235, 219284), (260, 198199), (470, 109642), (611, 84340), (940, 54821), (1222, 42170), (2444, 21085), (3055, 16868), (4217, 12220), (6110, 8434)]