28873160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37991}}^1$

素因数の和:38021

約数の個数: 32

約数和(自身を含む): 68385600

約数和(自身を除く): 39512440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37991, 75982, 151964, 189955, 303928, 379910, 721829, 759820, 1443658, 1519640, 2887316, 3609145, 5774632, 7218290, 14436580, 28873160]

約数ペア:

[(1, 28873160), (2, 14436580), (4, 7218290), (5, 5774632), (8, 3609145), (10, 2887316), (19, 1519640), (20, 1443658), (38, 759820), (40, 721829), (76, 379910), (95, 303928), (152, 189955), (190, 151964), (380, 75982), (760, 37991)]