80634160

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10391}}^1$

素因数の和:10501

約数の個数: 40

約数和(自身を含む): 189425376

約数和(自身を除く): 108791216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 10391, 20782, 41564, 51955, 83128, 103910, 166256, 207820, 415640, 831280, 1007927, 2015854, 4031708, 5039635, 8063416, 10079270, 16126832, 20158540, 40317080, 80634160]

約数ペア:

[(1, 80634160), (2, 40317080), (4, 20158540), (5, 16126832), (8, 10079270), (10, 8063416), (16, 5039635), (20, 4031708), (40, 2015854), (80, 1007927), (97, 831280), (194, 415640), (388, 207820), (485, 166256), (776, 103910), (970, 83128), (1552, 51955), (1940, 41564), (3880, 20782), (7760, 10391)]