143956520

素因数分解:

$2^3\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{2417}}^1$

素因数の和:3917

約数の個数: 32

約数和(自身を含む): 324253800

約数和(自身を除く): 180297280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1489, 2417, 2978, 4834, 5956, 7445, 9668, 11912, 12085, 14890, 19336, 24170, 29780, 48340, 59560, 96680, 3598913, 7197826, 14395652, 17994565, 28791304, 35989130, 71978260, 143956520]

約数ペア:

[(1, 143956520), (2, 71978260), (4, 35989130), (5, 28791304), (8, 17994565), (10, 14395652), (20, 7197826), (40, 3598913), (1489, 96680), (2417, 59560), (2978, 48340), (4834, 29780), (5956, 24170), (7445, 19336), (9668, 14890), (11912, 12085)]