5297500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:200

約数の個数: 60

約数和(自身を含む): 12552232

約数和(自身を除く): 7254732

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 163, 250, 260, 325, 326, 500, 625, 650, 652, 815, 1250, 1300, 1625, 1630, 2119, 2500, 3250, 3260, 4075, 4238, 6500, 8125, 8150, 8476, 10595, 16250, 16300, 20375, 21190, 32500, 40750, 42380, 52975, 81500, 101875, 105950, 203750, 211900, 264875, 407500, 529750, 1059500, 1324375, 2648750, 5297500]

約数ペア:

[(1, 5297500), (2, 2648750), (4, 1324375), (5, 1059500), (10, 529750), (13, 407500), (20, 264875), (25, 211900), (26, 203750), (50, 105950), (52, 101875), (65, 81500), (100, 52975), (125, 42380), (130, 40750), (163, 32500), (250, 21190), (260, 20375), (325, 16300), (326, 16250), (500, 10595), (625, 8476), (650, 8150), (652, 8125), (815, 6500), (1250, 4238), (1300, 4075), (1625, 3260), (1630, 3250), (2119, 2500)]