72016565

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{20201}}^1$

素因数の和:20260

約数の個数: 16

約数和(自身を含む): 93090816

約数和(自身を除く): 21074251

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 20201, 101005, 464623, 626231, 2323115, 3131155, 14403313, 72016565]

約数ペア:

[(1, 72016565), (5, 14403313), (23, 3131155), (31, 2323115), (115, 626231), (155, 464623), (713, 101005), (3565, 20201)]