52502500

素因数分解:

$2^2\times 5^4\times {\mathrm{21001}}^1$

素因数の和:21025

約数の個数: 30

約数和(自身を含む): 114817934

約数和(自身を除く): 62315434

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 21001, 42002, 84004, 105005, 210010, 420020, 525025, 1050050, 2100100, 2625125, 5250250, 10500500, 13125625, 26251250, 52502500]

約数ペア:

[(1, 52502500), (2, 26251250), (4, 13125625), (5, 10500500), (10, 5250250), (20, 2625125), (25, 2100100), (50, 1050050), (100, 525025), (125, 420020), (250, 210010), (500, 105005), (625, 84004), (1250, 42002), (2500, 21001)]