11775280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13381}}^1$

素因数の和:13405

約数の個数: 40

約数和(自身を含む): 29868624

約数和(自身を除く): 18093344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 13381, 26762, 53524, 66905, 107048, 133810, 147191, 214096, 267620, 294382, 535240, 588764, 735955, 1070480, 1177528, 1471910, 2355056, 2943820, 5887640, 11775280]

約数ペア:

[(1, 11775280), (2, 5887640), (4, 2943820), (5, 2355056), (8, 1471910), (10, 1177528), (11, 1070480), (16, 735955), (20, 588764), (22, 535240), (40, 294382), (44, 267620), (55, 214096), (80, 147191), (88, 133810), (110, 107048), (176, 66905), (220, 53524), (440, 26762), (880, 13381)]