131016380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{54139}}^1$

素因数の和:54170

約数の個数: 36

約数和(自身を含む): 302426040

約数和(自身を除く): 171409660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 54139, 108278, 216556, 270695, 541390, 595529, 1082780, 1191058, 2382116, 2977645, 5955290, 6550819, 11910580, 13101638, 26203276, 32754095, 65508190, 131016380]

約数ペア:

[(1, 131016380), (2, 65508190), (4, 32754095), (5, 26203276), (10, 13101638), (11, 11910580), (20, 6550819), (22, 5955290), (44, 2977645), (55, 2382116), (110, 1191058), (121, 1082780), (220, 595529), (242, 541390), (484, 270695), (605, 216556), (1210, 108278), (2420, 54139)]