7941760

素因数分解:

$2^7\times 5^1\times {\mathrm{12409}}^1$

素因数の和:12428

約数の個数: 32

約数和(自身を含む): 18987300

約数和(自身を除く): 11045540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12409, 24818, 49636, 62045, 99272, 124090, 198544, 248180, 397088, 496360, 794176, 992720, 1588352, 1985440, 3970880, 7941760]

約数ペア:

[(1, 7941760), (2, 3970880), (4, 1985440), (5, 1588352), (8, 992720), (10, 794176), (16, 496360), (20, 397088), (32, 248180), (40, 198544), (64, 124090), (80, 99272), (128, 62045), (160, 49636), (320, 24818), (640, 12409)]