87709280

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1979}}^1$

素因数の和:2271

約数の個数: 48

約数和(自身を含む): 208066320

約数和(自身を除く): 120357040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1385, 1979, 2216, 2770, 3958, 4432, 5540, 7916, 8864, 9895, 11080, 15832, 19790, 22160, 31664, 39580, 44320, 63328, 79160, 158320, 316640, 548183, 1096366, 2192732, 2740915, 4385464, 5481830, 8770928, 10963660, 17541856, 21927320, 43854640, 87709280]

約数ペア:

[(1, 87709280), (2, 43854640), (4, 21927320), (5, 17541856), (8, 10963660), (10, 8770928), (16, 5481830), (20, 4385464), (32, 2740915), (40, 2192732), (80, 1096366), (160, 548183), (277, 316640), (554, 158320), (1108, 79160), (1385, 63328), (1979, 44320), (2216, 39580), (2770, 31664), (3958, 22160), (4432, 19790), (5540, 15832), (7916, 11080), (8864, 9895)]