997381760

素因数分解:

$2^7\times 5^1\times {\mathrm{1558409}}^1$

素因数の和:1558428

約数の個数: 32

約数和(自身を含む): 2384367300

約数和(自身を除く): 1386985540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1558409, 3116818, 6233636, 7792045, 12467272, 15584090, 24934544, 31168180, 49869088, 62336360, 99738176, 124672720, 199476352, 249345440, 498690880, 997381760]

約数ペア:

[(1, 997381760), (2, 498690880), (4, 249345440), (5, 199476352), (8, 124672720), (10, 99738176), (16, 62336360), (20, 49869088), (32, 31168180), (40, 24934544), (64, 15584090), (80, 12467272), (128, 7792045), (160, 6233636), (320, 3116818), (640, 1558409)]