205013500

素因数分解:

$2^2\times 5^3\times {\mathrm{521}}^1\times {\mathrm{787}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 449178912

約数和(自身を除く): 244165412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 521, 787, 1042, 1574, 2084, 2605, 3148, 3935, 5210, 7870, 10420, 13025, 15740, 19675, 26050, 39350, 52100, 65125, 78700, 98375, 130250, 196750, 260500, 393500, 410027, 820054, 1640108, 2050135, 4100270, 8200540, 10250675, 20501350, 41002700, 51253375, 102506750, 205013500]

約数ペア:

[(1, 205013500), (2, 102506750), (4, 51253375), (5, 41002700), (10, 20501350), (20, 10250675), (25, 8200540), (50, 4100270), (100, 2050135), (125, 1640108), (250, 820054), (500, 410027), (521, 393500), (787, 260500), (1042, 196750), (1574, 130250), (2084, 98375), (2605, 78700), (3148, 65125), (3935, 52100), (5210, 39350), (7870, 26050), (10420, 19675), (13025, 15740)]