1688702920

素因数分解:

$2^3\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{34129}}^1$

素因数の和:35377

約数の個数: 32

約数和(自身を含む): 3802764600

約数和(自身を除く): 2114061680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1237, 2474, 4948, 6185, 9896, 12370, 24740, 34129, 49480, 68258, 136516, 170645, 273032, 341290, 682580, 1365160, 42217573, 84435146, 168870292, 211087865, 337740584, 422175730, 844351460, 1688702920]

約数ペア:

[(1, 1688702920), (2, 844351460), (4, 422175730), (5, 337740584), (8, 211087865), (10, 168870292), (20, 84435146), (40, 42217573), (1237, 1365160), (2474, 682580), (4948, 341290), (6185, 273032), (9896, 170645), (12370, 136516), (24740, 68258), (34129, 49480)]