201438340

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{25117}}^1$

素因数の和:25527

約数の個数: 24

約数和(自身を含む): 424092312

約数和(自身を除く): 222653972

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 25117, 50234, 100468, 125585, 251170, 502340, 10071917, 20143834, 40287668, 50359585, 100719170, 201438340]

約数ペア:

[(1, 201438340), (2, 100719170), (4, 50359585), (5, 40287668), (10, 20143834), (20, 10071917), (401, 502340), (802, 251170), (1604, 125585), (2005, 100468), (4010, 50234), (8020, 25117)]