12659480

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1657}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 28650240

約数和(自身を除く): 15990760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1657, 1910, 3314, 3820, 6628, 7640, 8285, 13256, 16570, 33140, 66280, 316487, 632974, 1265948, 1582435, 2531896, 3164870, 6329740, 12659480]

約数ペア:

[(1, 12659480), (2, 6329740), (4, 3164870), (5, 2531896), (8, 1582435), (10, 1265948), (20, 632974), (40, 316487), (191, 66280), (382, 33140), (764, 16570), (955, 13256), (1528, 8285), (1657, 7640), (1910, 6628), (3314, 3820)]