12127240

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2213}}^1$

素因数の和:2361

約数の個数: 32

約数和(自身を含む): 27497880

約数和(自身を除く): 15370640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2213, 2740, 4426, 5480, 8852, 11065, 17704, 22130, 44260, 88520, 303181, 606362, 1212724, 1515905, 2425448, 3031810, 6063620, 12127240]

約数ペア:

[(1, 12127240), (2, 6063620), (4, 3031810), (5, 2425448), (8, 1515905), (10, 1212724), (20, 606362), (40, 303181), (137, 88520), (274, 44260), (548, 22130), (685, 17704), (1096, 11065), (1370, 8852), (2213, 5480), (2740, 4426)]