7138120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16223}}^1$

素因数の和:16245

約数の個数: 32

約数和(自身を含む): 17521920

約数和(自身を除く): 10383800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 16223, 32446, 64892, 81115, 129784, 162230, 178453, 324460, 356906, 648920, 713812, 892265, 1427624, 1784530, 3569060, 7138120]

約数ペア:

[(1, 7138120), (2, 3569060), (4, 1784530), (5, 1427624), (8, 892265), (10, 713812), (11, 648920), (20, 356906), (22, 324460), (40, 178453), (44, 162230), (55, 129784), (88, 81115), (110, 64892), (220, 32446), (440, 16223)]