2003148725

素因数分解:

$5^2\times {\mathrm{179}}^1\times {\mathrm{461}}^1\times {\mathrm{971}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 2505777120

約数和(自身を除く): 502628395

約数列:

[1, 5, 25, 179, 461, 895, 971, 2305, 4475, 4855, 11525, 24275, 82519, 173809, 412595, 447631, 869045, 2062975, 2238155, 4345225, 11190775, 80125949, 400629745, 2003148725]

約数ペア:

[(1, 2003148725), (5, 400629745), (25, 80125949), (179, 11190775), (461, 4345225), (895, 2238155), (971, 2062975), (2305, 869045), (4475, 447631), (4855, 412595), (11525, 173809), (24275, 82519)]