8240920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12119}}^1$

素因数の和:12147

約数の個数: 32

約数和(自身を含む): 19634400

約数和(自身を除く): 11393480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12119, 24238, 48476, 60595, 96952, 121190, 206023, 242380, 412046, 484760, 824092, 1030115, 1648184, 2060230, 4120460, 8240920]

約数ペア:

[(1, 8240920), (2, 4120460), (4, 2060230), (5, 1648184), (8, 1030115), (10, 824092), (17, 484760), (20, 412046), (34, 242380), (40, 206023), (68, 121190), (85, 96952), (136, 60595), (170, 48476), (340, 24238), (680, 12119)]