20610400

素因数分解:

$2^5\times 5^2\times {\mathrm{25763}}^1$

素因数の和:25783

約数の個数: 36

約数和(自身を含む): 50317092

約数和(自身を除く): 29706692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25763, 51526, 103052, 128815, 206104, 257630, 412208, 515260, 644075, 824416, 1030520, 1288150, 2061040, 2576300, 4122080, 5152600, 10305200, 20610400]

約数ペア:

[(1, 20610400), (2, 10305200), (4, 5152600), (5, 4122080), (8, 2576300), (10, 2061040), (16, 1288150), (20, 1030520), (25, 824416), (32, 644075), (40, 515260), (50, 412208), (80, 257630), (100, 206104), (160, 128815), (200, 103052), (400, 51526), (800, 25763)]