40987640

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2953}}^1$

素因数の和:3311

約数の個数: 32

約数和(自身を含む): 92519280

約数和(自身を除く): 51531640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 2953, 3470, 5906, 6940, 11812, 13880, 14765, 23624, 29530, 59060, 118120, 1024691, 2049382, 4098764, 5123455, 8197528, 10246910, 20493820, 40987640]

約数ペア:

[(1, 40987640), (2, 20493820), (4, 10246910), (5, 8197528), (8, 5123455), (10, 4098764), (20, 2049382), (40, 1024691), (347, 118120), (694, 59060), (1388, 29530), (1735, 23624), (2776, 14765), (2953, 13880), (3470, 11812), (5906, 6940)]