72466220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{116881}}^1$

素因数の和:116921

約数の個数: 24

約数和(自身を含む): 157089408

約数和(自身を除く): 84623188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 116881, 233762, 467524, 584405, 1168810, 2337620, 3623311, 7246622, 14493244, 18116555, 36233110, 72466220]

約数ペア:

[(1, 72466220), (2, 36233110), (4, 18116555), (5, 14493244), (10, 7246622), (20, 3623311), (31, 2337620), (62, 1168810), (124, 584405), (155, 467524), (310, 233762), (620, 116881)]