13005640

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{601}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 29365560

約数和(自身を除く): 16359920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 601, 1082, 1202, 2164, 2404, 2705, 3005, 4328, 4808, 5410, 6010, 10820, 12020, 21640, 24040, 325141, 650282, 1300564, 1625705, 2601128, 3251410, 6502820, 13005640]

約数ペア:

[(1, 13005640), (2, 6502820), (4, 3251410), (5, 2601128), (8, 1625705), (10, 1300564), (20, 650282), (40, 325141), (541, 24040), (601, 21640), (1082, 12020), (1202, 10820), (2164, 6010), (2404, 5410), (2705, 4808), (3005, 4328)]