13626980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{709}}^1$

素因数の和:780

約数の個数: 36

約数和(自身を含む): 29611260

約数和(自身を除く): 15984280

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 709, 961, 1418, 1922, 2836, 3545, 3844, 4805, 7090, 9610, 14180, 19220, 21979, 43958, 87916, 109895, 219790, 439580, 681349, 1362698, 2725396, 3406745, 6813490, 13626980]

約数ペア:

[(1, 13626980), (2, 6813490), (4, 3406745), (5, 2725396), (10, 1362698), (20, 681349), (31, 439580), (62, 219790), (124, 109895), (155, 87916), (310, 43958), (620, 21979), (709, 19220), (961, 14180), (1418, 9610), (1922, 7090), (2836, 4805), (3545, 3844)]