42401620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31643}}^1$

素因数の和:31719

約数の個数: 24

約数和(自身を含む): 90375264

約数和(自身を除く): 47973644

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 31643, 63286, 126572, 158215, 316430, 632860, 2120081, 4240162, 8480324, 10600405, 21200810, 42401620]

約数ペア:

[(1, 42401620), (2, 21200810), (4, 10600405), (5, 8480324), (10, 4240162), (20, 2120081), (67, 632860), (134, 316430), (268, 158215), (335, 126572), (670, 63286), (1340, 31643)]