22659320

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{881}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 51120720

約数和(自身を除く): 28461400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 881, 1286, 1762, 2572, 3215, 3524, 4405, 5144, 6430, 7048, 8810, 12860, 17620, 25720, 35240, 566483, 1132966, 2265932, 2832415, 4531864, 5664830, 11329660, 22659320]

約数ペア:

[(1, 22659320), (2, 11329660), (4, 5664830), (5, 4531864), (8, 2832415), (10, 2265932), (20, 1132966), (40, 566483), (643, 35240), (881, 25720), (1286, 17620), (1762, 12860), (2572, 8810), (3215, 7048), (3524, 6430), (4405, 5144)]