40909648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{196681}}^1$

素因数の和:196702

約数の個数: 20

約数和(自身を含む): 85359988

約数和(自身を除く): 44450340

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 196681, 393362, 786724, 1573448, 2556853, 3146896, 5113706, 10227412, 20454824, 40909648]

約数ペア:

[(1, 40909648), (2, 20454824), (4, 10227412), (8, 5113706), (13, 3146896), (16, 2556853), (26, 1573448), (52, 786724), (104, 393362), (208, 196681)]