91001240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{206821}}^1$

素因数の和:206843

約数の個数: 32

約数和(自身を含む): 223367760

約数和(自身を除く): 132366520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 206821, 413642, 827284, 1034105, 1654568, 2068210, 2275031, 4136420, 4550062, 8272840, 9100124, 11375155, 18200248, 22750310, 45500620, 91001240]

約数ペア:

[(1, 91001240), (2, 45500620), (4, 22750310), (5, 18200248), (8, 11375155), (10, 9100124), (11, 8272840), (20, 4550062), (22, 4136420), (40, 2275031), (44, 2068210), (55, 1654568), (88, 1034105), (110, 827284), (220, 413642), (440, 206821)]