27605000

素因数分解:

$2^3\times 5^4\times {\mathrm{5521}}^1$

素因数の和:5547

約数の個数: 40

約数和(自身を含む): 64690230

約数和(自身を除く): 37085230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5521, 11042, 22084, 27605, 44168, 55210, 110420, 138025, 220840, 276050, 552100, 690125, 1104200, 1380250, 2760500, 3450625, 5521000, 6901250, 13802500, 27605000]

約数ペア:

[(1, 27605000), (2, 13802500), (4, 6901250), (5, 5521000), (8, 3450625), (10, 2760500), (20, 1380250), (25, 1104200), (40, 690125), (50, 552100), (100, 276050), (125, 220840), (200, 138025), (250, 110420), (500, 55210), (625, 44168), (1000, 27605), (1250, 22084), (2500, 11042), (5000, 5521)]