8020820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13829}}^1$

素因数の和:13867

約数の個数: 24

約数和(自身を含む): 17425800

約数和(自身を除く): 9404980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 13829, 27658, 55316, 69145, 138290, 276580, 401041, 802082, 1604164, 2005205, 4010410, 8020820]

約数ペア:

[(1, 8020820), (2, 4010410), (4, 2005205), (5, 1604164), (10, 802082), (20, 401041), (29, 276580), (58, 138290), (116, 69145), (145, 55316), (290, 27658), (580, 13829)]