5158000

素因数分解:

$2^4\times 5^3\times {\mathrm{2579}}^1$

素因数の和:2602

約数の個数: 40

約数和(自身を含む): 12476880

約数和(自身を除く): 7318880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2579, 5158, 10316, 12895, 20632, 25790, 41264, 51580, 64475, 103160, 128950, 206320, 257900, 322375, 515800, 644750, 1031600, 1289500, 2579000, 5158000]

約数ペア:

[(1, 5158000), (2, 2579000), (4, 1289500), (5, 1031600), (8, 644750), (10, 515800), (16, 322375), (20, 257900), (25, 206320), (40, 128950), (50, 103160), (80, 64475), (100, 51580), (125, 41264), (200, 25790), (250, 20632), (400, 12895), (500, 10316), (1000, 5158), (2000, 2579)]