15995560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8161}}^1$

素因数の和:8186

約数の個数: 48

約数和(自身を含む): 41871060

約数和(自身を除く): 25875500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8161, 16322, 32644, 40805, 57127, 65288, 81610, 114254, 163220, 228508, 285635, 326440, 399889, 457016, 571270, 799778, 1142540, 1599556, 1999445, 2285080, 3199112, 3998890, 7997780, 15995560]

約数ペア:

[(1, 15995560), (2, 7997780), (4, 3998890), (5, 3199112), (7, 2285080), (8, 1999445), (10, 1599556), (14, 1142540), (20, 799778), (28, 571270), (35, 457016), (40, 399889), (49, 326440), (56, 285635), (70, 228508), (98, 163220), (140, 114254), (196, 81610), (245, 65288), (280, 57127), (392, 40805), (490, 32644), (980, 16322), (1960, 8161)]