55828720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9829}}^1$

素因数の和:9913

約数の個数: 40

約数和(自身を含む): 131643360

約数和(自身を除く): 75814640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9829, 19658, 39316, 49145, 78632, 98290, 157264, 196580, 393160, 697859, 786320, 1395718, 2791436, 3489295, 5582872, 6978590, 11165744, 13957180, 27914360, 55828720]

約数ペア:

[(1, 55828720), (2, 27914360), (4, 13957180), (5, 11165744), (8, 6978590), (10, 5582872), (16, 3489295), (20, 2791436), (40, 1395718), (71, 786320), (80, 697859), (142, 393160), (284, 196580), (355, 157264), (568, 98290), (710, 78632), (1136, 49145), (1420, 39316), (2840, 19658), (5680, 9829)]