84970640

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4679}}^1$

素因数の和:4919

約数の個数: 40

約数和(自身を含む): 198469440

約数和(自身を除く): 113498800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3632, 4540, 4679, 9080, 9358, 18160, 18716, 23395, 37432, 46790, 74864, 93580, 187160, 374320, 1062133, 2124266, 4248532, 5310665, 8497064, 10621330, 16994128, 21242660, 42485320, 84970640]

約数ペア:

[(1, 84970640), (2, 42485320), (4, 21242660), (5, 16994128), (8, 10621330), (10, 8497064), (16, 5310665), (20, 4248532), (40, 2124266), (80, 1062133), (227, 374320), (454, 187160), (908, 93580), (1135, 74864), (1816, 46790), (2270, 37432), (3632, 23395), (4540, 18716), (4679, 18160), (9080, 9358)]