56680880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16477}}^1$

素因数の和:16533

約数の個数: 40

約数和(自身を含む): 134855952

約数和(自身を除く): 78175072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16477, 32954, 65908, 82385, 131816, 164770, 263632, 329540, 659080, 708511, 1318160, 1417022, 2834044, 3542555, 5668088, 7085110, 11336176, 14170220, 28340440, 56680880]

約数ペア:

[(1, 56680880), (2, 28340440), (4, 14170220), (5, 11336176), (8, 7085110), (10, 5668088), (16, 3542555), (20, 2834044), (40, 1417022), (43, 1318160), (80, 708511), (86, 659080), (172, 329540), (215, 263632), (344, 164770), (430, 131816), (688, 82385), (860, 65908), (1720, 32954), (3440, 16477)]