28672100

素因数分解:

$2^2\times 5^2\times {\mathrm{286721}}^1$

素因数の和:286735

約数の個数: 18

約数和(自身を含む): 62218674

約数和(自身を除く): 33546574

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 286721, 573442, 1146884, 1433605, 2867210, 5734420, 7168025, 14336050, 28672100]

約数ペア:

[(1, 28672100), (2, 14336050), (4, 7168025), (5, 5734420), (10, 2867210), (20, 1433605), (25, 1146884), (50, 573442), (100, 286721)]