68861140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 150151680

約数和(自身を除く): 81290540

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1063, 1580, 2126, 3239, 4252, 5315, 6478, 10630, 12956, 16195, 21260, 32390, 43583, 64780, 83977, 87166, 167954, 174332, 217915, 335908, 419885, 435830, 839770, 871660, 1679540, 3443057, 6886114, 13772228, 17215285, 34430570, 68861140]

約数ペア:

[(1, 68861140), (2, 34430570), (4, 17215285), (5, 13772228), (10, 6886114), (20, 3443057), (41, 1679540), (79, 871660), (82, 839770), (158, 435830), (164, 419885), (205, 335908), (316, 217915), (395, 174332), (410, 167954), (790, 87166), (820, 83977), (1063, 64780), (1580, 43583), (2126, 32390), (3239, 21260), (4252, 16195), (5315, 12956), (6478, 10630)]