2791960

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 6330240

約数和(自身を除く): 3538280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 313, 446, 626, 892, 1115, 1252, 1565, 1784, 2230, 2504, 3130, 4460, 6260, 8920, 12520, 69799, 139598, 279196, 348995, 558392, 697990, 1395980, 2791960]

約数ペア:

[(1, 2791960), (2, 1395980), (4, 697990), (5, 558392), (8, 348995), (10, 279196), (20, 139598), (40, 69799), (223, 12520), (313, 8920), (446, 6260), (626, 4460), (892, 3130), (1115, 2504), (1252, 2230), (1565, 1784)]