12653320

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2309}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 28690200

約数和(自身を除く): 16036880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2309, 2740, 4618, 5480, 9236, 11545, 18472, 23090, 46180, 92360, 316333, 632666, 1265332, 1581665, 2530664, 3163330, 6326660, 12653320]

約数ペア:

[(1, 12653320), (2, 6326660), (4, 3163330), (5, 2530664), (8, 1581665), (10, 1265332), (20, 632666), (40, 316333), (137, 92360), (274, 46180), (548, 23090), (685, 18472), (1096, 11545), (1370, 9236), (2309, 5480), (2740, 4618)]