71201960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61381}}^1$

素因数の和:61421

約数の個数: 32

約数和(自身を含む): 165731400

約数和(自身を除く): 94529440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 61381, 122762, 245524, 306905, 491048, 613810, 1227620, 1780049, 2455240, 3560098, 7120196, 8900245, 14240392, 17800490, 35600980, 71201960]

約数ペア:

[(1, 71201960), (2, 35600980), (4, 17800490), (5, 14240392), (8, 8900245), (10, 7120196), (20, 3560098), (29, 2455240), (40, 1780049), (58, 1227620), (116, 613810), (145, 491048), (232, 306905), (290, 245524), (580, 122762), (1160, 61381)]