2121913600

素因数分解:

$2^8\times 5^2\times {\mathrm{331549}}^1$

素因数の和:331575

約数の個数: 54

約数和(自身を含む): 5252083550

約数和(自身を除く): 3130169950

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 331549, 663098, 1326196, 1657745, 2652392, 3315490, 5304784, 6630980, 8288725, 10609568, 13261960, 16577450, 21219136, 26523920, 33154900, 42438272, 53047840, 66309800, 84876544, 106095680, 132619600, 212191360, 265239200, 424382720, 530478400, 1060956800, 2121913600]

約数ペア:

[(1, 2121913600), (2, 1060956800), (4, 530478400), (5, 424382720), (8, 265239200), (10, 212191360), (16, 132619600), (20, 106095680), (25, 84876544), (32, 66309800), (40, 53047840), (50, 42438272), (64, 33154900), (80, 26523920), (100, 21219136), (128, 16577450), (160, 13261960), (200, 10609568), (256, 8288725), (320, 6630980), (400, 5304784), (640, 3315490), (800, 2652392), (1280, 1657745), (1600, 1326196), (3200, 663098), (6400, 331549)]