12445720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{44449}}^1$

素因数の和:44467

約数の個数: 32

約数和(自身を含む): 32004000

約数和(自身を除く): 19558280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 44449, 88898, 177796, 222245, 311143, 355592, 444490, 622286, 888980, 1244572, 1555715, 1777960, 2489144, 3111430, 6222860, 12445720]

約数ペア:

[(1, 12445720), (2, 6222860), (4, 3111430), (5, 2489144), (7, 1777960), (8, 1555715), (10, 1244572), (14, 888980), (20, 622286), (28, 444490), (35, 355592), (40, 311143), (56, 222245), (70, 177796), (140, 88898), (280, 44449)]