25988890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{29201}}^1$

素因数の和:29297

約数の個数: 16

約数和(自身を含む): 47307240

約数和(自身を除く): 21318350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 29201, 58402, 146005, 292010, 2598889, 5197778, 12994445, 25988890]

約数ペア:

[(1, 25988890), (2, 12994445), (5, 5197778), (10, 2598889), (89, 292010), (178, 146005), (445, 58402), (890, 29201)]