2016039920

素因数分解:

$2^4\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{13469}}^1$

素因数の和:15353

約数の個数: 40

約数和(自身を含む): 4690146240

約数和(自身を除く): 2674106320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871, 3742, 7484, 9355, 13469, 14968, 18710, 26938, 29936, 37420, 53876, 67345, 74840, 107752, 134690, 149680, 215504, 269380, 538760, 1077520, 25200499, 50400998, 100801996, 126002495, 201603992, 252004990, 403207984, 504009980, 1008019960, 2016039920]

約数ペア:

[(1, 2016039920), (2, 1008019960), (4, 504009980), (5, 403207984), (8, 252004990), (10, 201603992), (16, 126002495), (20, 100801996), (40, 50400998), (80, 25200499), (1871, 1077520), (3742, 538760), (7484, 269380), (9355, 215504), (13469, 149680), (14968, 134690), (18710, 107752), (26938, 74840), (29936, 67345), (37420, 53876)]