16577680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4229}}^1$

素因数の和:4256

約数の個数: 60

約数和(自身を含む): 44846460

約数和(自身を除く): 28268780

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4229, 8458, 16916, 21145, 29603, 33832, 42290, 59206, 67664, 84580, 118412, 148015, 169160, 207221, 236824, 296030, 338320, 414442, 473648, 592060, 828884, 1036105, 1184120, 1657768, 2072210, 2368240, 3315536, 4144420, 8288840, 16577680]

約数ペア:

[(1, 16577680), (2, 8288840), (4, 4144420), (5, 3315536), (7, 2368240), (8, 2072210), (10, 1657768), (14, 1184120), (16, 1036105), (20, 828884), (28, 592060), (35, 473648), (40, 414442), (49, 338320), (56, 296030), (70, 236824), (80, 207221), (98, 169160), (112, 148015), (140, 118412), (196, 84580), (245, 67664), (280, 59206), (392, 42290), (490, 33832), (560, 29603), (784, 21145), (980, 16916), (1960, 8458), (3920, 4229)]