22771480

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{997}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 51377040

約数和(自身を除く): 28605560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 997, 1142, 1994, 2284, 2855, 3988, 4568, 4985, 5710, 7976, 9970, 11420, 19940, 22840, 39880, 569287, 1138574, 2277148, 2846435, 4554296, 5692870, 11385740, 22771480]

約数ペア:

[(1, 22771480), (2, 11385740), (4, 5692870), (5, 4554296), (8, 2846435), (10, 2277148), (20, 1138574), (40, 569287), (571, 39880), (997, 22840), (1142, 19940), (1994, 11420), (2284, 9970), (2855, 7976), (3988, 5710), (4568, 4985)]