15927440

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2237}}^1$

素因数の和:2339

約数の個数: 40

約数和(自身を含む): 37464120

約数和(自身を除く): 21536680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 2237, 3560, 4474, 7120, 8948, 11185, 17896, 22370, 35792, 44740, 89480, 178960, 199093, 398186, 796372, 995465, 1592744, 1990930, 3185488, 3981860, 7963720, 15927440]

約数ペア:

[(1, 15927440), (2, 7963720), (4, 3981860), (5, 3185488), (8, 1990930), (10, 1592744), (16, 995465), (20, 796372), (40, 398186), (80, 199093), (89, 178960), (178, 89480), (356, 44740), (445, 35792), (712, 22370), (890, 17896), (1424, 11185), (1780, 8948), (2237, 7120), (3560, 4474)]