15986750

素因数分解:

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

素因数の和:4949

約数の個数: 32

約数和(自身を含む): 32235840

約数和(自身を除く): 16249090

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 4919, 9838, 24595, 49190, 63947, 122975, 127894, 245950, 319735, 614875, 639470, 1229750, 1598675, 3197350, 7993375, 15986750]

約数ペア:

[(1, 15986750), (2, 7993375), (5, 3197350), (10, 1598675), (13, 1229750), (25, 639470), (26, 614875), (50, 319735), (65, 245950), (125, 127894), (130, 122975), (250, 63947), (325, 49190), (650, 24595), (1625, 9838), (3250, 4919)]