13451560

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{643}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 30371040

約数和(自身を除く): 16919480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 643, 1046, 1286, 2092, 2572, 2615, 3215, 4184, 5144, 5230, 6430, 10460, 12860, 20920, 25720, 336289, 672578, 1345156, 1681445, 2690312, 3362890, 6725780, 13451560]

約数ペア:

[(1, 13451560), (2, 6725780), (4, 3362890), (5, 2690312), (8, 1681445), (10, 1345156), (20, 672578), (40, 336289), (523, 25720), (643, 20920), (1046, 12860), (1286, 10460), (2092, 6430), (2572, 5230), (2615, 5144), (3215, 4184)]