256970080

素因数分解:

$2^5\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1823}}^1$

素因数の和:2719

約数の個数: 48

約数和(自身を含む): 608114304

約数和(自身を除く): 351144224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 881, 1762, 1823, 3524, 3646, 4405, 7048, 7292, 8810, 9115, 14096, 14584, 17620, 18230, 28192, 29168, 35240, 36460, 58336, 70480, 72920, 140960, 145840, 291680, 1606063, 3212126, 6424252, 8030315, 12848504, 16060630, 25697008, 32121260, 51394016, 64242520, 128485040, 256970080]

約数ペア:

[(1, 256970080), (2, 128485040), (4, 64242520), (5, 51394016), (8, 32121260), (10, 25697008), (16, 16060630), (20, 12848504), (32, 8030315), (40, 6424252), (80, 3212126), (160, 1606063), (881, 291680), (1762, 145840), (1823, 140960), (3524, 72920), (3646, 70480), (4405, 58336), (7048, 36460), (7292, 35240), (8810, 29168), (9115, 28192), (14096, 18230), (14584, 17620)]