51105980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2659}}^1$

素因数の和:2730

約数の個数: 36

約数和(自身を含む): 110937960

約数和(自身を除く): 59831980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 2659, 3844, 4805, 5318, 9610, 10636, 13295, 19220, 26590, 53180, 82429, 164858, 329716, 412145, 824290, 1648580, 2555299, 5110598, 10221196, 12776495, 25552990, 51105980]

約数ペア:

[(1, 51105980), (2, 25552990), (4, 12776495), (5, 10221196), (10, 5110598), (20, 2555299), (31, 1648580), (62, 824290), (124, 412145), (155, 329716), (310, 164858), (620, 82429), (961, 53180), (1922, 26590), (2659, 19220), (3844, 13295), (4805, 10636), (5318, 9610)]