540655000

素因数分解:

$2^3\times 5^4\times {\mathrm{108131}}^1$

素因数の和:108157

約数の個数: 40

約数和(自身を含む): 1266766380

約数和(自身を除く): 726111380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 108131, 216262, 432524, 540655, 865048, 1081310, 2162620, 2703275, 4325240, 5406550, 10813100, 13516375, 21626200, 27032750, 54065500, 67581875, 108131000, 135163750, 270327500, 540655000]

約数ペア:

[(1, 540655000), (2, 270327500), (4, 135163750), (5, 108131000), (8, 67581875), (10, 54065500), (20, 27032750), (25, 21626200), (40, 13516375), (50, 10813100), (100, 5406550), (125, 4325240), (200, 2703275), (250, 2162620), (500, 1081310), (625, 865048), (1000, 540655), (1250, 432524), (2500, 216262), (5000, 108131)]