127901680

素因数分解:

$2^4\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1823}}^1$

素因数の和:2713

約数の個数: 40

約数和(自身を含む): 297873792

約数和(自身を除く): 169972112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 877, 1754, 1823, 3508, 3646, 4385, 7016, 7292, 8770, 9115, 14032, 14584, 17540, 18230, 29168, 35080, 36460, 70160, 72920, 145840, 1598771, 3197542, 6395084, 7993855, 12790168, 15987710, 25580336, 31975420, 63950840, 127901680]

約数ペア:

[(1, 127901680), (2, 63950840), (4, 31975420), (5, 25580336), (8, 15987710), (10, 12790168), (16, 7993855), (20, 6395084), (40, 3197542), (80, 1598771), (877, 145840), (1754, 72920), (1823, 70160), (3508, 36460), (3646, 35080), (4385, 29168), (7016, 18230), (7292, 17540), (8770, 14584), (9115, 14032)]