49887640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113381}}^1$

素因数の和:113403

約数の個数: 32

約数和(自身を含む): 122452560

約数和(自身を除く): 72564920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 113381, 226762, 453524, 566905, 907048, 1133810, 1247191, 2267620, 2494382, 4535240, 4988764, 6235955, 9977528, 12471910, 24943820, 49887640]

約数ペア:

[(1, 49887640), (2, 24943820), (4, 12471910), (5, 9977528), (8, 6235955), (10, 4988764), (11, 4535240), (20, 2494382), (22, 2267620), (40, 1247191), (44, 1133810), (55, 907048), (88, 566905), (110, 453524), (220, 226762), (440, 113381)]