28468120

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3373}}^1$

素因数の和:3595

約数の個数: 32

約数和(自身を含む): 64375920

約数和(自身を除く): 35907800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3373, 4220, 6746, 8440, 13492, 16865, 26984, 33730, 67460, 134920, 711703, 1423406, 2846812, 3558515, 5693624, 7117030, 14234060, 28468120]

約数ペア:

[(1, 28468120), (2, 14234060), (4, 7117030), (5, 5693624), (8, 3558515), (10, 2846812), (20, 1423406), (40, 711703), (211, 134920), (422, 67460), (844, 33730), (1055, 26984), (1688, 16865), (2110, 13492), (3373, 8440), (4220, 6746)]