1520290040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1027223}}^1$

素因数の和:1027271

約数の個数: 32

約数和(自身を含む): 3513106080

約数和(自身を除く): 1992816040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 1027223, 2054446, 4108892, 5136115, 8217784, 10272230, 20544460, 38007251, 41088920, 76014502, 152029004, 190036255, 304058008, 380072510, 760145020, 1520290040]

約数ペア:

[(1, 1520290040), (2, 760145020), (4, 380072510), (5, 304058008), (8, 190036255), (10, 152029004), (20, 76014502), (37, 41088920), (40, 38007251), (74, 20544460), (148, 10272230), (185, 8217784), (296, 5136115), (370, 4108892), (740, 2054446), (1480, 1027223)]