128905600

素因数分解:

$2^7\times 5^2\times {\mathrm{40283}}^1$

素因数の和:40307

約数の個数: 48

約数和(自身を含む): 318445020

約数和(自身を除く): 189539420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 40283, 80566, 161132, 201415, 322264, 402830, 644528, 805660, 1007075, 1289056, 1611320, 2014150, 2578112, 3222640, 4028300, 5156224, 6445280, 8056600, 12890560, 16113200, 25781120, 32226400, 64452800, 128905600]

約数ペア:

[(1, 128905600), (2, 64452800), (4, 32226400), (5, 25781120), (8, 16113200), (10, 12890560), (16, 8056600), (20, 6445280), (25, 5156224), (32, 4028300), (40, 3222640), (50, 2578112), (64, 2014150), (80, 1611320), (100, 1289056), (128, 1007075), (160, 805660), (200, 644528), (320, 402830), (400, 322264), (640, 201415), (800, 161132), (1600, 80566), (3200, 40283)]