63881540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{44987}}^1$

素因数の和:45067

約数の個数: 24

約数和(自身を含む): 136043712

約数和(自身を除く): 72162172

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 44987, 89974, 179948, 224935, 449870, 899740, 3194077, 6388154, 12776308, 15970385, 31940770, 63881540]

約数ペア:

[(1, 63881540), (2, 31940770), (4, 15970385), (5, 12776308), (10, 6388154), (20, 3194077), (71, 899740), (142, 449870), (284, 224935), (355, 179948), (710, 89974), (1420, 44987)]