40364240

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1471}}^1$

素因数の和:1505

約数の個数: 80

約数和(自身を含む): 109516800

約数和(自身を除く): 69152560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1471, 1715, 1960, 2744, 2942, 3430, 3920, 5488, 5884, 6860, 7355, 10297, 11768, 13720, 14710, 20594, 23536, 27440, 29420, 41188, 51485, 58840, 72079, 82376, 102970, 117680, 144158, 164752, 205940, 288316, 360395, 411880, 504553, 576632, 720790, 823760, 1009106, 1153264, 1441580, 2018212, 2522765, 2883160, 4036424, 5045530, 5766320, 8072848, 10091060, 20182120, 40364240]

約数ペア:

[(1, 40364240), (2, 20182120), (4, 10091060), (5, 8072848), (7, 5766320), (8, 5045530), (10, 4036424), (14, 2883160), (16, 2522765), (20, 2018212), (28, 1441580), (35, 1153264), (40, 1009106), (49, 823760), (56, 720790), (70, 576632), (80, 504553), (98, 411880), (112, 360395), (140, 288316), (196, 205940), (245, 164752), (280, 144158), (343, 117680), (392, 102970), (490, 82376), (560, 72079), (686, 58840), (784, 51485), (980, 41188), (1372, 29420), (1471, 27440), (1715, 23536), (1960, 20594), (2744, 14710), (2942, 13720), (3430, 11768), (3920, 10297), (5488, 7355), (5884, 6860)]