992440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 2288880

約数和(自身を除く): 1296440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 577, 860, 1154, 1720, 2308, 2885, 4616, 5770, 11540, 23080, 24811, 49622, 99244, 124055, 198488, 248110, 496220, 992440]

約数ペア:

[(1, 992440), (2, 496220), (4, 248110), (5, 198488), (8, 124055), (10, 99244), (20, 49622), (40, 24811), (43, 23080), (86, 11540), (172, 5770), (215, 4616), (344, 2885), (430, 2308), (577, 1720), (860, 1154)]