205811240

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{9011}}^1$

素因数の和:9593

約数の個数: 32

約数和(自身を含む): 463937760

約数和(自身を除く): 258126520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4568, 5710, 9011, 11420, 18022, 22840, 36044, 45055, 72088, 90110, 180220, 360440, 5145281, 10290562, 20581124, 25726405, 41162248, 51452810, 102905620, 205811240]

約数ペア:

[(1, 205811240), (2, 102905620), (4, 51452810), (5, 41162248), (8, 25726405), (10, 20581124), (20, 10290562), (40, 5145281), (571, 360440), (1142, 180220), (2284, 90110), (2855, 72088), (4568, 45055), (5710, 36044), (9011, 22840), (11420, 18022)]