142316560

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4481}}^1$

素因数の和:4891

約数の個数: 40

約数和(自身を含む): 331793496

約数和(自身を除く): 189476936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 4481, 6352, 7940, 8962, 15880, 17924, 22405, 31760, 35848, 44810, 71696, 89620, 179240, 358480, 1778957, 3557914, 7115828, 8894785, 14231656, 17789570, 28463312, 35579140, 71158280, 142316560]

約数ペア:

[(1, 142316560), (2, 71158280), (4, 35579140), (5, 28463312), (8, 17789570), (10, 14231656), (16, 8894785), (20, 7115828), (40, 3557914), (80, 1778957), (397, 358480), (794, 179240), (1588, 89620), (1985, 71696), (3176, 44810), (3970, 35848), (4481, 31760), (6352, 22405), (7940, 17924), (8962, 15880)]