8061340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 19643904

約数和(自身を除く): 11582564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 811, 994, 1420, 1622, 1988, 2485, 3244, 4055, 4970, 5677, 8110, 9940, 11354, 16220, 22708, 28385, 56770, 57581, 113540, 115162, 230324, 287905, 403067, 575810, 806134, 1151620, 1612268, 2015335, 4030670, 8061340]

約数ペア:

[(1, 8061340), (2, 4030670), (4, 2015335), (5, 1612268), (7, 1151620), (10, 806134), (14, 575810), (20, 403067), (28, 287905), (35, 230324), (70, 115162), (71, 113540), (140, 57581), (142, 56770), (284, 28385), (355, 22708), (497, 16220), (710, 11354), (811, 9940), (994, 8110), (1420, 5677), (1622, 4970), (1988, 4055), (2485, 3244)]