31056740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10859}}^1$

素因数の和:10892

約数の個数: 48

約数和(自身を含む): 76628160

約数和(自身を除く): 45571420

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10859, 21718, 43436, 54295, 108590, 119449, 141167, 217180, 238898, 282334, 477796, 564668, 597245, 705835, 1194490, 1411670, 1552837, 2388980, 2823340, 3105674, 6211348, 7764185, 15528370, 31056740]

約数ペア:

[(1, 31056740), (2, 15528370), (4, 7764185), (5, 6211348), (10, 3105674), (11, 2823340), (13, 2388980), (20, 1552837), (22, 1411670), (26, 1194490), (44, 705835), (52, 597245), (55, 564668), (65, 477796), (110, 282334), (130, 238898), (143, 217180), (220, 141167), (260, 119449), (286, 108590), (572, 54295), (715, 43436), (1430, 21718), (2860, 10859)]