6406000

素因数分解:

$2^4\times 5^3\times {\mathrm{3203}}^1$

素因数の和:3226

約数の個数: 40

約数和(自身を含む): 15494544

約数和(自身を除く): 9088544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 3203, 6406, 12812, 16015, 25624, 32030, 51248, 64060, 80075, 128120, 160150, 256240, 320300, 400375, 640600, 800750, 1281200, 1601500, 3203000, 6406000]

約数ペア:

[(1, 6406000), (2, 3203000), (4, 1601500), (5, 1281200), (8, 800750), (10, 640600), (16, 400375), (20, 320300), (25, 256240), (40, 160150), (50, 128120), (80, 80075), (100, 64060), (125, 51248), (200, 32030), (250, 25624), (400, 16015), (500, 12812), (1000, 6406), (2000, 3203)]