2108800

素因数分解:

$2^7\times 5^2\times {\mathrm{659}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 5217300

約数和(自身を除く): 3108500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 659, 800, 1318, 1600, 2636, 3200, 3295, 5272, 6590, 10544, 13180, 16475, 21088, 26360, 32950, 42176, 52720, 65900, 84352, 105440, 131800, 210880, 263600, 421760, 527200, 1054400, 2108800]

約数ペア:

[(1, 2108800), (2, 1054400), (4, 527200), (5, 421760), (8, 263600), (10, 210880), (16, 131800), (20, 105440), (25, 84352), (32, 65900), (40, 52720), (50, 42176), (64, 32950), (80, 26360), (100, 21088), (128, 16475), (160, 13180), (200, 10544), (320, 6590), (400, 5272), (640, 3295), (659, 3200), (800, 2636), (1318, 1600)]