11720229620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{72089}}^1$

素因数の和:72848

約数の個数: 48

約数和(自身を含む): 26886686400

約数和(自身を除く): 15166456780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 739, 1478, 2956, 3695, 7390, 8129, 14780, 16258, 32516, 40645, 72089, 81290, 144178, 162580, 288356, 360445, 720890, 792979, 1441780, 1585958, 3171916, 3964895, 7929790, 15859580, 53273771, 106547542, 213095084, 266368855, 532737710, 586011481, 1065475420, 1172022962, 2344045924, 2930057405, 5860114810, 11720229620]

約数ペア:

[(1, 11720229620), (2, 5860114810), (4, 2930057405), (5, 2344045924), (10, 1172022962), (11, 1065475420), (20, 586011481), (22, 532737710), (44, 266368855), (55, 213095084), (110, 106547542), (220, 53273771), (739, 15859580), (1478, 7929790), (2956, 3964895), (3695, 3171916), (7390, 1585958), (8129, 1441780), (14780, 792979), (16258, 720890), (32516, 360445), (40645, 288356), (72089, 162580), (81290, 144178)]