109951280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22531}}^1$

素因数の和:22605

約数の個数: 40

約数和(自身を含む): 259839024

約数和(自身を除く): 149887744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 22531, 45062, 90124, 112655, 180248, 225310, 360496, 450620, 901240, 1374391, 1802480, 2748782, 5497564, 6871955, 10995128, 13743910, 21990256, 27487820, 54975640, 109951280]

約数ペア:

[(1, 109951280), (2, 54975640), (4, 27487820), (5, 21990256), (8, 13743910), (10, 10995128), (16, 6871955), (20, 5497564), (40, 2748782), (61, 1802480), (80, 1374391), (122, 901240), (244, 450620), (305, 360496), (488, 225310), (610, 180248), (976, 112655), (1220, 90124), (2440, 45062), (4880, 22531)]