3321320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 7650720

約数和(自身を除く): 4329400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1931, 3862, 7724, 9655, 15448, 19310, 38620, 77240, 83033, 166066, 332132, 415165, 664264, 830330, 1660660, 3321320]

約数ペア:

[(1, 3321320), (2, 1660660), (4, 830330), (5, 664264), (8, 415165), (10, 332132), (20, 166066), (40, 83033), (43, 77240), (86, 38620), (172, 19310), (215, 15448), (344, 9655), (430, 7724), (860, 3862), (1720, 1931)]