864921460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3326621}}^1$

素因数の和:3326643

約数の個数: 24

約数和(自身を含む): 1956053736

約数和(自身を除く): 1091132276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3326621, 6653242, 13306484, 16633105, 33266210, 43246073, 66532420, 86492146, 172984292, 216230365, 432460730, 864921460]

約数ペア:

[(1, 864921460), (2, 432460730), (4, 216230365), (5, 172984292), (10, 86492146), (13, 66532420), (20, 43246073), (26, 33266210), (52, 16633105), (65, 13306484), (130, 6653242), (260, 3326621)]