9712840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5647}}^1$

素因数の和:5701

約数の個数: 32

約数和(自身を含む): 22366080

約数和(自身を除く): 12653240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5647, 11294, 22588, 28235, 45176, 56470, 112940, 225880, 242821, 485642, 971284, 1214105, 1942568, 2428210, 4856420, 9712840]

約数ペア:

[(1, 9712840), (2, 4856420), (4, 2428210), (5, 1942568), (8, 1214105), (10, 971284), (20, 485642), (40, 242821), (43, 225880), (86, 112940), (172, 56470), (215, 45176), (344, 28235), (430, 22588), (860, 11294), (1720, 5647)]