22780840

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1487}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 28644440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1487, 1532, 1915, 2974, 3064, 3830, 5948, 7435, 7660, 11896, 14870, 15320, 29740, 59480, 569521, 1139042, 2278084, 2847605, 4556168, 5695210, 11390420, 22780840]

約数ペア:

[(1, 22780840), (2, 11390420), (4, 5695210), (5, 4556168), (8, 2847605), (10, 2278084), (20, 1139042), (40, 569521), (383, 59480), (766, 29740), (1487, 15320), (1532, 14870), (1915, 11896), (2974, 7660), (3064, 7435), (3830, 5948)]