72618880

素因数分解:

$2^7\times 5^1\times {\mathrm{113467}}^1$

素因数の和:113486

約数の個数: 32

約数和(自身を含む): 173606040

約数和(自身を除く): 100987160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113467, 226934, 453868, 567335, 907736, 1134670, 1815472, 2269340, 3630944, 4538680, 7261888, 9077360, 14523776, 18154720, 36309440, 72618880]

約数ペア:

[(1, 72618880), (2, 36309440), (4, 18154720), (5, 14523776), (8, 9077360), (10, 7261888), (16, 4538680), (20, 3630944), (32, 2269340), (40, 1815472), (64, 1134670), (80, 907736), (128, 567335), (160, 453868), (320, 226934), (640, 113467)]