40130864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{80909}}^1$

素因数の和:80948

約数の個数: 20

約数和(自身を含む): 80262720

約数和(自身を除く): 40131856

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 80909, 161818, 323636, 647272, 1294544, 2508179, 5016358, 10032716, 20065432, 40130864]

約数ペア:

[(1, 40130864), (2, 20065432), (4, 10032716), (8, 5016358), (16, 2508179), (31, 1294544), (62, 647272), (124, 323636), (248, 161818), (496, 80909)]