71309530

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{20201}}^1$

素因数の和:20561

約数の個数: 16

約数和(自身を含む): 128727144

約数和(自身を除く): 57417614

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 20201, 40402, 101005, 202010, 7130953, 14261906, 35654765, 71309530]

約数ペア:

[(1, 71309530), (2, 35654765), (5, 14261906), (10, 7130953), (353, 202010), (706, 101005), (1765, 40402), (3530, 20201)]