51994540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15383}}^1$

素因数の和:15418

約数の個数: 36

約数和(自身を含む): 118241424

約数和(自身を除く): 66246884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 15383, 30766, 61532, 76915, 153830, 199979, 307660, 399958, 799916, 999895, 1999790, 2599727, 3999580, 5199454, 10398908, 12998635, 25997270, 51994540]

約数ペア:

[(1, 51994540), (2, 25997270), (4, 12998635), (5, 10398908), (10, 5199454), (13, 3999580), (20, 2599727), (26, 1999790), (52, 999895), (65, 799916), (130, 399958), (169, 307660), (260, 199979), (338, 153830), (676, 76915), (845, 61532), (1690, 30766), (3380, 15383)]