68667980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{19181}}^1$

素因数の和:19369

約数の個数: 24

約数和(自身を含む): 145015920

約数和(自身を除く): 76347940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 19181, 38362, 76724, 95905, 191810, 383620, 3433399, 6866798, 13733596, 17166995, 34333990, 68667980]

約数ペア:

[(1, 68667980), (2, 34333990), (4, 17166995), (5, 13733596), (10, 6866798), (20, 3433399), (179, 383620), (358, 191810), (716, 95905), (895, 76724), (1790, 38362), (3580, 19181)]