9725980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4019}}^1$

素因数の和:4050

約数の個数: 36

約数和(自身を含む): 22455720

約数和(自身を除く): 12729740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 4019, 8038, 16076, 20095, 40190, 44209, 80380, 88418, 176836, 221045, 442090, 486299, 884180, 972598, 1945196, 2431495, 4862990, 9725980]

約数ペア:

[(1, 9725980), (2, 4862990), (4, 2431495), (5, 1945196), (10, 972598), (11, 884180), (20, 486299), (22, 442090), (44, 221045), (55, 176836), (110, 88418), (121, 80380), (220, 44209), (242, 40190), (484, 20095), (605, 16076), (1210, 8038), (2420, 4019)]