15561440

素因数分解:

$2^5\times 5^1\times {\mathrm{97259}}^1$

素因数の和:97274

約数の個数: 24

約数和(自身を含む): 36764280

約数和(自身を除く): 21202840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 97259, 194518, 389036, 486295, 778072, 972590, 1556144, 1945180, 3112288, 3890360, 7780720, 15561440]

約数ペア:

[(1, 15561440), (2, 7780720), (4, 3890360), (5, 3112288), (8, 1945180), (10, 1556144), (16, 972590), (20, 778072), (32, 486295), (40, 389036), (80, 194518), (160, 97259)]