80377790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{977}}^1$

素因数の和:1436

約数の個数: 32

約数和(自身を含む): 152802720

約数和(自身を除く): 72424930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 433, 866, 977, 1954, 2165, 4330, 4885, 8227, 9770, 16454, 18563, 37126, 41135, 82270, 92815, 185630, 423041, 846082, 2115205, 4230410, 8037779, 16075558, 40188895, 80377790]

約数ペア:

[(1, 80377790), (2, 40188895), (5, 16075558), (10, 8037779), (19, 4230410), (38, 2115205), (95, 846082), (190, 423041), (433, 185630), (866, 92815), (977, 82270), (1954, 41135), (2165, 37126), (4330, 18563), (4885, 16454), (8227, 9770)]