120920440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{81703}}^1$

素因数の和:81751

約数の個数: 32

約数和(自身を含む): 279427680

約数和(自身を除く): 158507240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 81703, 163406, 326812, 408515, 653624, 817030, 1634060, 3023011, 3268120, 6046022, 12092044, 15115055, 24184088, 30230110, 60460220, 120920440]

約数ペア:

[(1, 120920440), (2, 60460220), (4, 30230110), (5, 24184088), (8, 15115055), (10, 12092044), (20, 6046022), (37, 3268120), (40, 3023011), (74, 1634060), (148, 817030), (185, 653624), (296, 408515), (370, 326812), (740, 163406), (1480, 81703)]