164731880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{46273}}^1$

素因数の和:46373

約数の個数: 32

約数和(自身を含む): 374819400

約数和(自身を除く): 210087520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 46273, 92546, 185092, 231365, 370184, 462730, 925460, 1850920, 4118297, 8236594, 16473188, 20591485, 32946376, 41182970, 82365940, 164731880]

約数ペア:

[(1, 164731880), (2, 82365940), (4, 41182970), (5, 32946376), (8, 20591485), (10, 16473188), (20, 8236594), (40, 4118297), (89, 1850920), (178, 925460), (356, 462730), (445, 370184), (712, 231365), (890, 185092), (1780, 92546), (3560, 46273)]