80498816

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{20287}}^1$

素因数の和:20332

約数の個数: 32

約数和(自身を含む): 165550080

約数和(自身を除く): 85051264

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 20287, 40574, 81148, 162296, 324592, 628897, 649184, 1257794, 1298368, 2515588, 2596736, 5031176, 10062352, 20124704, 40249408, 80498816]

約数ペア:

[(1, 80498816), (2, 40249408), (4, 20124704), (8, 10062352), (16, 5031176), (31, 2596736), (32, 2515588), (62, 1298368), (64, 1257794), (124, 649184), (128, 628897), (248, 324592), (496, 162296), (992, 81148), (1984, 40574), (3968, 20287)]