61610440

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6907}}^1$

素因数の和:7141

約数の個数: 32

約数和(自身を含む): 139265280

約数和(自身を除く): 77654840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 6907, 8920, 13814, 27628, 34535, 55256, 69070, 138140, 276280, 1540261, 3080522, 6161044, 7701305, 12322088, 15402610, 30805220, 61610440]

約数ペア:

[(1, 61610440), (2, 30805220), (4, 15402610), (5, 12322088), (8, 7701305), (10, 6161044), (20, 3080522), (40, 1540261), (223, 276280), (446, 138140), (892, 69070), (1115, 55256), (1784, 34535), (2230, 27628), (4460, 13814), (6907, 8920)]