40243160

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5107}}^1$

素因数の和:5315

約数の個数: 32

約数和(自身を含む): 91024560

約数和(自身を除く): 50781400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 5107, 7880, 10214, 20428, 25535, 40856, 51070, 102140, 204280, 1006079, 2012158, 4024316, 5030395, 8048632, 10060790, 20121580, 40243160]

約数ペア:

[(1, 40243160), (2, 20121580), (4, 10060790), (5, 8048632), (8, 5030395), (10, 4024316), (20, 2012158), (40, 1006079), (197, 204280), (394, 102140), (788, 51070), (985, 40856), (1576, 25535), (1970, 20428), (3940, 10214), (5107, 7880)]