80820230

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 149688000

約数和(自身を除く): 68867770

約数列:

[1, 2, 5, 10, 53, 106, 109, 218, 265, 530, 545, 1090, 1399, 2798, 5777, 6995, 11554, 13990, 28885, 57770, 74147, 148294, 152491, 304982, 370735, 741470, 762455, 1524910, 8082023, 16164046, 40410115, 80820230]

約数ペア:

[(1, 80820230), (2, 40410115), (5, 16164046), (10, 8082023), (53, 1524910), (106, 762455), (109, 741470), (218, 370735), (265, 304982), (530, 152491), (545, 148294), (1090, 74147), (1399, 57770), (2798, 28885), (5777, 13990), (6995, 11554)]