80804248

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20323}}^1$

素因数の和:20407

約数の個数: 32

約数和(自身を含む): 175599360

約数和(自身を除く): 94795112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 20323, 40646, 81292, 142261, 162584, 284522, 569044, 1138088, 1442933, 2885866, 5771732, 10100531, 11543464, 20201062, 40402124, 80804248]

約数ペア:

[(1, 80804248), (2, 40402124), (4, 20201062), (7, 11543464), (8, 10100531), (14, 5771732), (28, 2885866), (56, 1442933), (71, 1138088), (142, 569044), (284, 284522), (497, 162584), (568, 142261), (994, 81292), (1988, 40646), (3976, 20323)]