13890860

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4261}}^1$

素因数の和:4433

約数の個数: 24

約数和(自身を含む): 29356656

約数和(自身を除く): 15465796

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 4261, 8522, 17044, 21305, 42610, 85220, 694543, 1389086, 2778172, 3472715, 6945430, 13890860]

約数ペア:

[(1, 13890860), (2, 6945430), (4, 3472715), (5, 2778172), (10, 1389086), (20, 694543), (163, 85220), (326, 42610), (652, 21305), (815, 17044), (1630, 8522), (3260, 4261)]