15771980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{112657}}^1$

素因数の和:112673

約数の個数: 24

約数和(自身を含む): 37853088

約数和(自身を除く): 22081108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 112657, 225314, 450628, 563285, 788599, 1126570, 1577198, 2253140, 3154396, 3942995, 7885990, 15771980]

約数ペア:

[(1, 15771980), (2, 7885990), (4, 3942995), (5, 3154396), (7, 2253140), (10, 1577198), (14, 1126570), (20, 788599), (28, 563285), (35, 450628), (70, 225314), (140, 112657)]