69687920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12269}}^1$

素因数の和:12353

約数の個数: 40

約数和(自身を含む): 164319840

約数和(自身を除く): 94631920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 12269, 24538, 49076, 61345, 98152, 122690, 196304, 245380, 490760, 871099, 981520, 1742198, 3484396, 4355495, 6968792, 8710990, 13937584, 17421980, 34843960, 69687920]

約数ペア:

[(1, 69687920), (2, 34843960), (4, 17421980), (5, 13937584), (8, 8710990), (10, 6968792), (16, 4355495), (20, 3484396), (40, 1742198), (71, 981520), (80, 871099), (142, 490760), (284, 245380), (355, 196304), (568, 122690), (710, 98152), (1136, 61345), (1420, 49076), (2840, 24538), (5680, 12269)]