31531120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13591}}^1$

素因数の和:13633

約数の個数: 40

約数和(自身を含む): 75843360

約数和(自身を除く): 44312240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 13591, 27182, 54364, 67955, 108728, 135910, 217456, 271820, 394139, 543640, 788278, 1087280, 1576556, 1970695, 3153112, 3941390, 6306224, 7882780, 15765560, 31531120]

約数ペア:

[(1, 31531120), (2, 15765560), (4, 7882780), (5, 6306224), (8, 3941390), (10, 3153112), (16, 1970695), (20, 1576556), (29, 1087280), (40, 788278), (58, 543640), (80, 394139), (116, 271820), (145, 217456), (232, 135910), (290, 108728), (464, 67955), (580, 54364), (1160, 27182), (2320, 13591)]