1228522040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{714257}}^1$

素因数の和:714311

約数の個数: 32

約数和(自身を含む): 2828461680

約数和(自身を除く): 1599939640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 714257, 1428514, 2857028, 3571285, 5714056, 7142570, 14285140, 28570280, 30713051, 61426102, 122852204, 153565255, 245704408, 307130510, 614261020, 1228522040]

約数ペア:

[(1, 1228522040), (2, 614261020), (4, 307130510), (5, 245704408), (8, 153565255), (10, 122852204), (20, 61426102), (40, 30713051), (43, 28570280), (86, 14285140), (172, 7142570), (215, 5714056), (344, 3571285), (430, 2857028), (860, 1428514), (1720, 714257)]