31865180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26119}}^1$

素因数の和:26189

約数の個数: 24

約数和(自身を含む): 68016480

約数和(自身を除く): 36151300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 26119, 52238, 104476, 130595, 261190, 522380, 1593259, 3186518, 6373036, 7966295, 15932590, 31865180]

約数ペア:

[(1, 31865180), (2, 15932590), (4, 7966295), (5, 6373036), (10, 3186518), (20, 1593259), (61, 522380), (122, 261190), (244, 130595), (305, 104476), (610, 52238), (1220, 26119)]