13970120

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1123}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 31561920

約数和(自身を除く): 17591800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1123, 1244, 1555, 2246, 2488, 3110, 4492, 5615, 6220, 8984, 11230, 12440, 22460, 44920, 349253, 698506, 1397012, 1746265, 2794024, 3492530, 6985060, 13970120]

約数ペア:

[(1, 13970120), (2, 6985060), (4, 3492530), (5, 2794024), (8, 1746265), (10, 1397012), (20, 698506), (40, 349253), (311, 44920), (622, 22460), (1123, 12440), (1244, 11230), (1555, 8984), (2246, 6220), (2488, 5615), (3110, 4492)]