268164080

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13043}}^1$

素因数の和:13313

約数の個数: 40

約数和(自身を含む): 625955472

約数和(自身を除く): 357791392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 13043, 20560, 26086, 52172, 65215, 104344, 130430, 208688, 260860, 521720, 1043440, 3352051, 6704102, 13408204, 16760255, 26816408, 33520510, 53632816, 67041020, 134082040, 268164080]

約数ペア:

[(1, 268164080), (2, 134082040), (4, 67041020), (5, 53632816), (8, 33520510), (10, 26816408), (16, 16760255), (20, 13408204), (40, 6704102), (80, 3352051), (257, 1043440), (514, 521720), (1028, 260860), (1285, 208688), (2056, 130430), (2570, 104344), (4112, 65215), (5140, 52172), (10280, 26086), (13043, 20560)]