2218880

素因数分解:

$2^7\times 5^1\times {\mathrm{3467}}^1$

素因数の和:3486

約数の個数: 32

約数和(自身を含む): 5306040

約数和(自身を除く): 3087160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3467, 6934, 13868, 17335, 27736, 34670, 55472, 69340, 110944, 138680, 221888, 277360, 443776, 554720, 1109440, 2218880]

約数ペア:

[(1, 2218880), (2, 1109440), (4, 554720), (5, 443776), (8, 277360), (10, 221888), (16, 138680), (20, 110944), (32, 69340), (40, 55472), (64, 34670), (80, 27736), (128, 17335), (160, 13868), (320, 6934), (640, 3467)]