449969680

素因数分解:

$2^4\times 5^1\times {\mathrm{5624621}}^1$

素因数の和:5624634

約数の個数: 20

約数和(自身を含む): 1046179692

約数和(自身を除く): 596210012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5624621, 11249242, 22498484, 28123105, 44996968, 56246210, 89993936, 112492420, 224984840, 449969680]

約数ペア:

[(1, 449969680), (2, 224984840), (4, 112492420), (5, 89993936), (8, 56246210), (10, 44996968), (16, 28123105), (20, 22498484), (40, 11249242), (80, 5624621)]