2019396560

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^1\times {\mathrm{25679}}^1$

素因数の和:26675

約数の個数: 40

約数和(自身を含む): 4700056320

約数和(自身を除く): 2680659760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1966, 3932, 4915, 7864, 9830, 15728, 19660, 25679, 39320, 51358, 78640, 102716, 128395, 205432, 256790, 410864, 513580, 1027160, 2054320, 25242457, 50484914, 100969828, 126212285, 201939656, 252424570, 403879312, 504849140, 1009698280, 2019396560]

約数ペア:

[(1, 2019396560), (2, 1009698280), (4, 504849140), (5, 403879312), (8, 252424570), (10, 201939656), (16, 126212285), (20, 100969828), (40, 50484914), (80, 25242457), (983, 2054320), (1966, 1027160), (3932, 513580), (4915, 410864), (7864, 256790), (9830, 205432), (15728, 128395), (19660, 102716), (25679, 78640), (39320, 51358)]