15430000

素因数分解:

$2^4\times 5^4\times {\mathrm{1543}}^1$

素因数の和:1571

約数の個数: 50

約数和(自身を含む): 37381784

約数和(自身を除く): 21951784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1543, 2000, 2500, 3086, 5000, 6172, 7715, 10000, 12344, 15430, 24688, 30860, 38575, 61720, 77150, 123440, 154300, 192875, 308600, 385750, 617200, 771500, 964375, 1543000, 1928750, 3086000, 3857500, 7715000, 15430000]

約数ペア:

[(1, 15430000), (2, 7715000), (4, 3857500), (5, 3086000), (8, 1928750), (10, 1543000), (16, 964375), (20, 771500), (25, 617200), (40, 385750), (50, 308600), (80, 192875), (100, 154300), (125, 123440), (200, 77150), (250, 61720), (400, 38575), (500, 30860), (625, 24688), (1000, 15430), (1250, 12344), (1543, 10000), (2000, 7715), (2500, 6172), (3086, 5000)]