72665210

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{18121}}^1$

素因数の和:18529

約数の個数: 16

約数和(自身を含む): 131130792

約数和(自身を除く): 58465582

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 18121, 36242, 90605, 181210, 7266521, 14533042, 36332605, 72665210]

約数ペア:

[(1, 72665210), (2, 36332605), (5, 14533042), (10, 7266521), (401, 181210), (802, 90605), (2005, 36242), (4010, 18121)]