42353320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11897}}^1$

素因数の和:11997

約数の個数: 32

約数和(自身を含む): 96373800

約数和(自身を除く): 54020480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 11897, 23794, 47588, 59485, 95176, 118970, 237940, 475880, 1058833, 2117666, 4235332, 5294165, 8470664, 10588330, 21176660, 42353320]

約数ペア:

[(1, 42353320), (2, 21176660), (4, 10588330), (5, 8470664), (8, 5294165), (10, 4235332), (20, 2117666), (40, 1058833), (89, 475880), (178, 237940), (356, 118970), (445, 95176), (712, 59485), (890, 47588), (1780, 23794), (3560, 11897)]