40781728

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{7541}}^1$

素因数の和:7577

約数の個数: 36

約数和(自身を含む): 86951718

約数和(自身を除く): 46169990

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 7541, 15082, 30164, 60328, 98033, 120656, 196066, 241312, 392132, 784264, 1274429, 1568528, 2548858, 3137056, 5097716, 10195432, 20390864, 40781728]

約数ペア:

[(1, 40781728), (2, 20390864), (4, 10195432), (8, 5097716), (13, 3137056), (16, 2548858), (26, 1568528), (32, 1274429), (52, 784264), (104, 392132), (169, 241312), (208, 196066), (338, 120656), (416, 98033), (676, 60328), (1352, 30164), (2704, 15082), (5408, 7541)]