8090450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 15909696

約数和(自身を除く): 7819246

約数列:

[1, 2, 5, 10, 25, 43, 50, 53, 71, 86, 106, 142, 215, 265, 355, 430, 530, 710, 1075, 1325, 1775, 2150, 2279, 2650, 3053, 3550, 3763, 4558, 6106, 7526, 11395, 15265, 18815, 22790, 30530, 37630, 56975, 76325, 94075, 113950, 152650, 161809, 188150, 323618, 809045, 1618090, 4045225, 8090450]

約数ペア:

[(1, 8090450), (2, 4045225), (5, 1618090), (10, 809045), (25, 323618), (43, 188150), (50, 161809), (53, 152650), (71, 113950), (86, 94075), (106, 76325), (142, 56975), (215, 37630), (265, 30530), (355, 22790), (430, 18815), (530, 15265), (710, 11395), (1075, 7526), (1325, 6106), (1775, 4558), (2150, 3763), (2279, 3550), (2650, 3053)]