204927760

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{22669}}^1$

素因数の和:22795

約数の個数: 40

約数和(自身を含む): 480694680

約数和(自身を除く): 275766920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 22669, 45338, 90676, 113345, 181352, 226690, 362704, 453380, 906760, 1813520, 2561597, 5123194, 10246388, 12807985, 20492776, 25615970, 40985552, 51231940, 102463880, 204927760]

約数ペア:

[(1, 204927760), (2, 102463880), (4, 51231940), (5, 40985552), (8, 25615970), (10, 20492776), (16, 12807985), (20, 10246388), (40, 5123194), (80, 2561597), (113, 1813520), (226, 906760), (452, 453380), (565, 362704), (904, 226690), (1130, 181352), (1808, 113345), (2260, 90676), (4520, 45338), (9040, 22669)]