12709450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19553}}^1$

素因数の和:19578

約数の個数: 24

約数和(自身を含む): 25459308

約数和(自身を除く): 12749858

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19553, 39106, 97765, 195530, 254189, 488825, 508378, 977650, 1270945, 2541890, 6354725, 12709450]

約数ペア:

[(1, 12709450), (2, 6354725), (5, 2541890), (10, 1270945), (13, 977650), (25, 508378), (26, 488825), (50, 254189), (65, 195530), (130, 97765), (325, 39106), (650, 19553)]