12789400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4919}}^1$

素因数の和:4948

約数の個数: 48

約数和(自身を含む): 32029200

約数和(自身を除く): 19239800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 4919, 9838, 19676, 24595, 39352, 49190, 63947, 98380, 122975, 127894, 196760, 245950, 255788, 319735, 491900, 511576, 639470, 983800, 1278940, 1598675, 2557880, 3197350, 6394700, 12789400]

約数ペア:

[(1, 12789400), (2, 6394700), (4, 3197350), (5, 2557880), (8, 1598675), (10, 1278940), (13, 983800), (20, 639470), (25, 511576), (26, 491900), (40, 319735), (50, 255788), (52, 245950), (65, 196760), (100, 127894), (104, 122975), (130, 98380), (200, 63947), (260, 49190), (325, 39352), (520, 24595), (650, 19676), (1300, 9838), (2600, 4919)]