40284220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1087}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 90478080

約数和(自身を除く): 50193860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1087, 1090, 1853, 2174, 2180, 3706, 4348, 5435, 7412, 9265, 10870, 18479, 18530, 21740, 36958, 37060, 73916, 92395, 118483, 184790, 236966, 369580, 473932, 592415, 1184830, 2014211, 2369660, 4028422, 8056844, 10071055, 20142110, 40284220]

約数ペア:

[(1, 40284220), (2, 20142110), (4, 10071055), (5, 8056844), (10, 4028422), (17, 2369660), (20, 2014211), (34, 1184830), (68, 592415), (85, 473932), (109, 369580), (170, 236966), (218, 184790), (340, 118483), (436, 92395), (545, 73916), (1087, 37060), (1090, 36958), (1853, 21740), (2174, 18530), (2180, 18479), (3706, 10870), (4348, 9265), (5435, 7412)]