28409060

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{26801}}^1$

素因数の和:26863

約数の個数: 24

約数和(自身を含む): 60786936

約数和(自身を除く): 32377876

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 26801, 53602, 107204, 134005, 268010, 536020, 1420453, 2840906, 5681812, 7102265, 14204530, 28409060]

約数ペア:

[(1, 28409060), (2, 14204530), (4, 7102265), (5, 5681812), (10, 2840906), (20, 1420453), (53, 536020), (106, 268010), (212, 134005), (265, 107204), (530, 53602), (1060, 26801)]