16870400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{659}}^1$

素因数の和:689

約数の個数: 66

約数和(自身を含む): 41881620

約数和(自身を除く): 25011220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 659, 800, 1024, 1280, 1318, 1600, 2560, 2636, 3200, 3295, 5120, 5272, 6400, 6590, 10544, 12800, 13180, 16475, 21088, 25600, 26360, 32950, 42176, 52720, 65900, 84352, 105440, 131800, 168704, 210880, 263600, 337408, 421760, 527200, 674816, 843520, 1054400, 1687040, 2108800, 3374080, 4217600, 8435200, 16870400]

約数ペア:

[(1, 16870400), (2, 8435200), (4, 4217600), (5, 3374080), (8, 2108800), (10, 1687040), (16, 1054400), (20, 843520), (25, 674816), (32, 527200), (40, 421760), (50, 337408), (64, 263600), (80, 210880), (100, 168704), (128, 131800), (160, 105440), (200, 84352), (256, 65900), (320, 52720), (400, 42176), (512, 32950), (640, 26360), (659, 25600), (800, 21088), (1024, 16475), (1280, 13180), (1318, 12800), (1600, 10544), (2560, 6590), (2636, 6400), (3200, 5272), (3295, 5120)]