20131861880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38715119}}^1$

素因数の和:38715143

約数の個数: 32

約数和(自身を含む): 48781051200

約数和(自身を除く): 28649189320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38715119, 77430238, 154860476, 193575595, 309720952, 387151190, 503296547, 774302380, 1006593094, 1548604760, 2013186188, 2516482735, 4026372376, 5032965470, 10065930940, 20131861880]

約数ペア:

[(1, 20131861880), (2, 10065930940), (4, 5032965470), (5, 4026372376), (8, 2516482735), (10, 2013186188), (13, 1548604760), (20, 1006593094), (26, 774302380), (40, 503296547), (52, 387151190), (65, 309720952), (104, 193575595), (130, 154860476), (260, 77430238), (520, 38715119)]