2080798816

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{641}}^1\times {\mathrm{1663}}^1$

素因数の和:2375

約数の個数: 48

約数和(自身を含む): 4172732928

約数和(自身を除く): 2091934112

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 641, 976, 1282, 1663, 1952, 2564, 3326, 5128, 6652, 10256, 13304, 20512, 26608, 39101, 53216, 78202, 101443, 156404, 202886, 312808, 405772, 625616, 811544, 1065983, 1251232, 1623088, 2131966, 3246176, 4263932, 8527864, 17055728, 34111456, 65024963, 130049926, 260099852, 520199704, 1040399408, 2080798816]

約数ペア:

[(1, 2080798816), (2, 1040399408), (4, 520199704), (8, 260099852), (16, 130049926), (32, 65024963), (61, 34111456), (122, 17055728), (244, 8527864), (488, 4263932), (641, 3246176), (976, 2131966), (1282, 1623088), (1663, 1251232), (1952, 1065983), (2564, 811544), (3326, 625616), (5128, 405772), (6652, 312808), (10256, 202886), (13304, 156404), (20512, 101443), (26608, 78202), (39101, 53216)]