8009440

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 19132848

約数和(自身を除く): 11123408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 443, 452, 565, 886, 904, 1130, 1772, 1808, 2215, 2260, 3544, 3616, 4430, 4520, 7088, 8860, 9040, 14176, 17720, 18080, 35440, 50059, 70880, 100118, 200236, 250295, 400472, 500590, 800944, 1001180, 1601888, 2002360, 4004720, 8009440]

約数ペア:

[(1, 8009440), (2, 4004720), (4, 2002360), (5, 1601888), (8, 1001180), (10, 800944), (16, 500590), (20, 400472), (32, 250295), (40, 200236), (80, 100118), (113, 70880), (160, 50059), (226, 35440), (443, 18080), (452, 17720), (565, 14176), (886, 9040), (904, 8860), (1130, 7088), (1772, 4520), (1808, 4430), (2215, 3616), (2260, 3544)]