83346280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21481}}^1$

素因数の和:21589

約数の個数: 32

約数和(自身を含む): 189471240

約数和(自身を除く): 106124960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 21481, 42962, 85924, 107405, 171848, 214810, 429620, 859240, 2083657, 4167314, 8334628, 10418285, 16669256, 20836570, 41673140, 83346280]

約数ペア:

[(1, 83346280), (2, 41673140), (4, 20836570), (5, 16669256), (8, 10418285), (10, 8334628), (20, 4167314), (40, 2083657), (97, 859240), (194, 429620), (388, 214810), (485, 171848), (776, 107405), (970, 85924), (1940, 42962), (3880, 21481)]