1984880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 4730352

約数和(自身を除く): 2745472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 577, 688, 860, 1154, 1720, 2308, 2885, 3440, 4616, 5770, 9232, 11540, 23080, 24811, 46160, 49622, 99244, 124055, 198488, 248110, 396976, 496220, 992440, 1984880]

約数ペア:

[(1, 1984880), (2, 992440), (4, 496220), (5, 396976), (8, 248110), (10, 198488), (16, 124055), (20, 99244), (40, 49622), (43, 46160), (80, 24811), (86, 23080), (172, 11540), (215, 9232), (344, 5770), (430, 4616), (577, 3440), (688, 2885), (860, 2308), (1154, 1720)]