71436280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61583}}^1$

素因数の和:61623

約数の個数: 32

約数和(自身を含む): 166276800

約数和(自身を除く): 94840520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 61583, 123166, 246332, 307915, 492664, 615830, 1231660, 1785907, 2463320, 3571814, 7143628, 8929535, 14287256, 17859070, 35718140, 71436280]

約数ペア:

[(1, 71436280), (2, 35718140), (4, 17859070), (5, 14287256), (8, 8929535), (10, 7143628), (20, 3571814), (29, 2463320), (40, 1785907), (58, 1231660), (116, 615830), (145, 492664), (232, 307915), (290, 246332), (580, 123166), (1160, 61583)]