18167721280

素因数分解:

$2^6\times 5^1\times {\mathrm{56774129}}^1$

素因数の和:56774146

約数の個数: 28

約数和(自身を含む): 43261887060

約数和(自身を除く): 25094165780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 56774129, 113548258, 227096516, 283870645, 454193032, 567741290, 908386064, 1135482580, 1816772128, 2270965160, 3633544256, 4541930320, 9083860640, 18167721280]

約数ペア:

[(1, 18167721280), (2, 9083860640), (4, 4541930320), (5, 3633544256), (8, 2270965160), (10, 1816772128), (16, 1135482580), (20, 908386064), (32, 567741290), (40, 454193032), (64, 283870645), (80, 227096516), (160, 113548258), (320, 56774129)]