7946840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18061}}^1$

素因数の和:18083

約数の個数: 32

約数和(自身を含む): 19506960

約数和(自身を除く): 11560120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18061, 36122, 72244, 90305, 144488, 180610, 198671, 361220, 397342, 722440, 794684, 993355, 1589368, 1986710, 3973420, 7946840]

約数ペア:

[(1, 7946840), (2, 3973420), (4, 1986710), (5, 1589368), (8, 993355), (10, 794684), (11, 722440), (20, 397342), (22, 361220), (40, 198671), (44, 180610), (55, 144488), (88, 90305), (110, 72244), (220, 36122), (440, 18061)]