53081020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 117028800

約数和(自身を除く): 63947780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1289, 1420, 2059, 2578, 4118, 5156, 6445, 8236, 10295, 12890, 20590, 25780, 37381, 41180, 74762, 91519, 149524, 183038, 186905, 366076, 373810, 457595, 747620, 915190, 1830380, 2654051, 5308102, 10616204, 13270255, 26540510, 53081020]

約数ペア:

[(1, 53081020), (2, 26540510), (4, 13270255), (5, 10616204), (10, 5308102), (20, 2654051), (29, 1830380), (58, 915190), (71, 747620), (116, 457595), (142, 373810), (145, 366076), (284, 186905), (290, 183038), (355, 149524), (580, 91519), (710, 74762), (1289, 41180), (1420, 37381), (2059, 25780), (2578, 20590), (4118, 12890), (5156, 10295), (6445, 8236)]