12879100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9934

約数の個数: 36

約数和(自身を含む): 30100504

約数和(自身を除く): 17221404

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 9907, 19814, 39628, 49535, 99070, 128791, 198140, 247675, 257582, 495350, 515164, 643955, 990700, 1287910, 2575820, 3219775, 6439550, 12879100]

約数ペア:

[(1, 12879100), (2, 6439550), (4, 3219775), (5, 2575820), (10, 1287910), (13, 990700), (20, 643955), (25, 515164), (26, 495350), (50, 257582), (52, 247675), (65, 198140), (100, 128791), (130, 99070), (260, 49535), (325, 39628), (650, 19814), (1300, 9907)]