80738752

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1089

約数の個数: 56

約数和(自身を含む): 171338240

約数和(自身を除く): 90599488

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 67, 76, 134, 152, 268, 304, 536, 608, 991, 1072, 1216, 1273, 1982, 2144, 2546, 3964, 4288, 5092, 7928, 10184, 15856, 18829, 20368, 31712, 37658, 40736, 63424, 66397, 75316, 81472, 132794, 150632, 265588, 301264, 531176, 602528, 1062352, 1205056, 1261543, 2124704, 2523086, 4249408, 5046172, 10092344, 20184688, 40369376, 80738752]

約数ペア:

[(1, 80738752), (2, 40369376), (4, 20184688), (8, 10092344), (16, 5046172), (19, 4249408), (32, 2523086), (38, 2124704), (64, 1261543), (67, 1205056), (76, 1062352), (134, 602528), (152, 531176), (268, 301264), (304, 265588), (536, 150632), (608, 132794), (991, 81472), (1072, 75316), (1216, 66397), (1273, 63424), (1982, 40736), (2144, 37658), (2546, 31712), (3964, 20368), (4288, 18829), (5092, 15856), (7928, 10184)]