139017080

素因数分解:

$2^3\times 5^1\times {\mathrm{3475427}}^1$

素因数の和:3475438

約数の個数: 16

約数和(自身を含む): 312788520

約数和(自身を除く): 173771440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3475427, 6950854, 13901708, 17377135, 27803416, 34754270, 69508540, 139017080]

約数ペア:

[(1, 139017080), (2, 69508540), (4, 34754270), (5, 27803416), (8, 17377135), (10, 13901708), (20, 6950854), (40, 3475427)]