22512500

素因数分解:

$2^2\times 5^5\times {\mathrm{1801}}^1$

素因数の和:1830

約数の個数: 36

約数和(自身を含む): 49270284

約数和(自身を除く): 26757784

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 1801, 2500, 3125, 3602, 6250, 7204, 9005, 12500, 18010, 36020, 45025, 90050, 180100, 225125, 450250, 900500, 1125625, 2251250, 4502500, 5628125, 11256250, 22512500]

約数ペア:

[(1, 22512500), (2, 11256250), (4, 5628125), (5, 4502500), (10, 2251250), (20, 1125625), (25, 900500), (50, 450250), (100, 225125), (125, 180100), (250, 90050), (500, 45025), (625, 36020), (1250, 18010), (1801, 12500), (2500, 9005), (3125, 7204), (3602, 6250)]