79340000

素因数分解:

$2^5\times 5^4\times {\mathrm{3967}}^1$

素因数の和:3997

約数の個数: 60

約数和(自身を含む): 195237504

約数和(自身を除く): 115897504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 3967, 4000, 5000, 7934, 10000, 15868, 19835, 20000, 31736, 39670, 63472, 79340, 99175, 126944, 158680, 198350, 317360, 396700, 495875, 634720, 793400, 991750, 1586800, 1983500, 2479375, 3173600, 3967000, 4958750, 7934000, 9917500, 15868000, 19835000, 39670000, 79340000]

約数ペア:

[(1, 79340000), (2, 39670000), (4, 19835000), (5, 15868000), (8, 9917500), (10, 7934000), (16, 4958750), (20, 3967000), (25, 3173600), (32, 2479375), (40, 1983500), (50, 1586800), (80, 991750), (100, 793400), (125, 634720), (160, 495875), (200, 396700), (250, 317360), (400, 198350), (500, 158680), (625, 126944), (800, 99175), (1000, 79340), (1250, 63472), (2000, 39670), (2500, 31736), (3967, 20000), (4000, 19835), (5000, 15868), (7934, 10000)]