40260620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1049}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 89964000

約数和(自身を除く): 49703380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1049, 1919, 2020, 2098, 3838, 4196, 5245, 7676, 9595, 10490, 19190, 19931, 20980, 38380, 39862, 79724, 99655, 105949, 199310, 211898, 398620, 423796, 529745, 1059490, 2013031, 2118980, 4026062, 8052124, 10065155, 20130310, 40260620]

約数ペア:

[(1, 40260620), (2, 20130310), (4, 10065155), (5, 8052124), (10, 4026062), (19, 2118980), (20, 2013031), (38, 1059490), (76, 529745), (95, 423796), (101, 398620), (190, 211898), (202, 199310), (380, 105949), (404, 99655), (505, 79724), (1010, 39862), (1049, 38380), (1919, 20980), (2020, 19931), (2098, 19190), (3838, 10490), (4196, 9595), (5245, 7676)]