40278260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{821}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 92800512

約数和(自身を除く): 52522252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 821, 892, 1115, 1642, 2230, 2453, 3284, 4105, 4460, 4906, 8210, 9031, 9812, 12265, 16420, 18062, 24530, 36124, 45155, 49060, 90310, 180620, 183083, 366166, 732332, 915415, 1830830, 2013913, 3661660, 4027826, 8055652, 10069565, 20139130, 40278260]

約数ペア:

[(1, 40278260), (2, 20139130), (4, 10069565), (5, 8055652), (10, 4027826), (11, 3661660), (20, 2013913), (22, 1830830), (44, 915415), (55, 732332), (110, 366166), (220, 183083), (223, 180620), (446, 90310), (821, 49060), (892, 45155), (1115, 36124), (1642, 24530), (2230, 18062), (2453, 16420), (3284, 12265), (4105, 9812), (4460, 9031), (4906, 8210)]