1318442060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{64189}}^1$

素因数の和:64290

約数の個数: 48

約数和(自身を含む): 3019497600

約数和(自身を除く): 1701055540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 64189, 128378, 256756, 320945, 641890, 834457, 1283780, 1668914, 3337828, 4172285, 5070931, 8344570, 10141862, 16689140, 20283724, 25354655, 50709310, 65922103, 101418620, 131844206, 263688412, 329610515, 659221030, 1318442060]

約数ペア:

[(1, 1318442060), (2, 659221030), (4, 329610515), (5, 263688412), (10, 131844206), (13, 101418620), (20, 65922103), (26, 50709310), (52, 25354655), (65, 20283724), (79, 16689140), (130, 10141862), (158, 8344570), (260, 5070931), (316, 4172285), (395, 3337828), (790, 1668914), (1027, 1283780), (1580, 834457), (2054, 641890), (4108, 320945), (5135, 256756), (10270, 128378), (20540, 64189)]