231825040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67391}}^1$

素因数の和:67447

約数の個数: 40

約数和(自身を含む): 551536128

約数和(自身を除く): 319711088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 67391, 134782, 269564, 336955, 539128, 673910, 1078256, 1347820, 2695640, 2897813, 5391280, 5795626, 11591252, 14489065, 23182504, 28978130, 46365008, 57956260, 115912520, 231825040]

約数ペア:

[(1, 231825040), (2, 115912520), (4, 57956260), (5, 46365008), (8, 28978130), (10, 23182504), (16, 14489065), (20, 11591252), (40, 5795626), (43, 5391280), (80, 2897813), (86, 2695640), (172, 1347820), (215, 1078256), (344, 673910), (430, 539128), (688, 336955), (860, 269564), (1720, 134782), (3440, 67391)]