2018781250

素因数分解:

$2^1\times 5^6\times {\mathrm{64601}}^1$

素因数の和:64633

約数の個数: 28

約数和(自身を含む): 3785224986

約数和(自身を除く): 1766443736

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 3125, 6250, 15625, 31250, 64601, 129202, 323005, 646010, 1615025, 3230050, 8075125, 16150250, 40375625, 80751250, 201878125, 403756250, 1009390625, 2018781250]

約数ペア:

[(1, 2018781250), (2, 1009390625), (5, 403756250), (10, 201878125), (25, 80751250), (50, 40375625), (125, 16150250), (250, 8075125), (625, 3230050), (1250, 1615025), (3125, 646010), (6250, 323005), (15625, 129202), (31250, 64601)]