90111080

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{8017}}^1$

素因数の和:8309

約数の個数: 32

約数和(自身を含む): 203496840

約数和(自身を除く): 113385760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 8017, 11240, 16034, 32068, 40085, 64136, 80170, 160340, 320680, 2252777, 4505554, 9011108, 11263885, 18022216, 22527770, 45055540, 90111080]

約数ペア:

[(1, 90111080), (2, 45055540), (4, 22527770), (5, 18022216), (8, 11263885), (10, 9011108), (20, 4505554), (40, 2252777), (281, 320680), (562, 160340), (1124, 80170), (1405, 64136), (2248, 40085), (2810, 32068), (5620, 16034), (8017, 11240)]