45025000

素因数分解:

$2^3\times 5^5\times {\mathrm{1801}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 105579180

約数和(自身を除く): 60554180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1801, 2500, 3125, 3602, 5000, 6250, 7204, 9005, 12500, 14408, 18010, 25000, 36020, 45025, 72040, 90050, 180100, 225125, 360200, 450250, 900500, 1125625, 1801000, 2251250, 4502500, 5628125, 9005000, 11256250, 22512500, 45025000]

約数ペア:

[(1, 45025000), (2, 22512500), (4, 11256250), (5, 9005000), (8, 5628125), (10, 4502500), (20, 2251250), (25, 1801000), (40, 1125625), (50, 900500), (100, 450250), (125, 360200), (200, 225125), (250, 180100), (500, 90050), (625, 72040), (1000, 45025), (1250, 36020), (1801, 25000), (2500, 18010), (3125, 14408), (3602, 12500), (5000, 9005), (6250, 7204)]