19694061680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3116149}}^1$

素因数の和:3116241

約数の個数: 40

約数和(自身を含む): 46368312000

約数和(自身を除く): 26674250320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 3116149, 6232298, 12464596, 15580745, 24929192, 31161490, 49858384, 62322980, 124645960, 246175771, 249291920, 492351542, 984703084, 1230878855, 1969406168, 2461757710, 3938812336, 4923515420, 9847030840, 19694061680]

約数ペア:

[(1, 19694061680), (2, 9847030840), (4, 4923515420), (5, 3938812336), (8, 2461757710), (10, 1969406168), (16, 1230878855), (20, 984703084), (40, 492351542), (79, 249291920), (80, 246175771), (158, 124645960), (316, 62322980), (395, 49858384), (632, 31161490), (790, 24929192), (1264, 15580745), (1580, 12464596), (3160, 6232298), (6320, 3116149)]