40842820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 89152560

約数和(自身を除く): 48309740

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 569, 740, 970, 1138, 1940, 2276, 2845, 3589, 5690, 7178, 11380, 14356, 17945, 21053, 35890, 42106, 55193, 71780, 84212, 105265, 110386, 210530, 220772, 275965, 421060, 551930, 1103860, 2042141, 4084282, 8168564, 10210705, 20421410, 40842820]

約数ペア:

[(1, 40842820), (2, 20421410), (4, 10210705), (5, 8168564), (10, 4084282), (20, 2042141), (37, 1103860), (74, 551930), (97, 421060), (148, 275965), (185, 220772), (194, 210530), (370, 110386), (388, 105265), (485, 84212), (569, 71780), (740, 55193), (970, 42106), (1138, 35890), (1940, 21053), (2276, 17945), (2845, 14356), (3589, 11380), (5690, 7178)]