131194220

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{6971}}^1$

素因数の和:7921

約数の個数: 24

約数和(自身を含む): 275840208

約数和(自身を除く): 144645988

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 3764, 4705, 6971, 9410, 13942, 18820, 27884, 34855, 69710, 139420, 6559711, 13119422, 26238844, 32798555, 65597110, 131194220]

約数ペア:

[(1, 131194220), (2, 65597110), (4, 32798555), (5, 26238844), (10, 13119422), (20, 6559711), (941, 139420), (1882, 69710), (3764, 34855), (4705, 27884), (6971, 18820), (9410, 13942)]