51604240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15733}}^1$

素因数の和:15787

約数の個数: 40

約数和(自身を含む): 122914008

約数和(自身を除く): 71309768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 15733, 31466, 62932, 78665, 125864, 157330, 251728, 314660, 629320, 645053, 1258640, 1290106, 2580212, 3225265, 5160424, 6450530, 10320848, 12901060, 25802120, 51604240]

約数ペア:

[(1, 51604240), (2, 25802120), (4, 12901060), (5, 10320848), (8, 6450530), (10, 5160424), (16, 3225265), (20, 2580212), (40, 1290106), (41, 1258640), (80, 645053), (82, 629320), (164, 314660), (205, 251728), (328, 157330), (410, 125864), (656, 78665), (820, 62932), (1640, 31466), (3280, 15733)]