207966620

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{25931}}^1$

素因数の和:26341

約数の個数: 24

約数和(自身を含む): 437835888

約数和(自身を除く): 229869268

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 25931, 51862, 103724, 129655, 259310, 518620, 10398331, 20796662, 41593324, 51991655, 103983310, 207966620]

約数ペア:

[(1, 207966620), (2, 103983310), (4, 51991655), (5, 41593324), (10, 20796662), (20, 10398331), (401, 518620), (802, 259310), (1604, 129655), (2005, 103724), (4010, 51862), (8020, 25931)]