129928720

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{7283}}^1$

素因数の和:7519

約数の個数: 40

約数和(自身を含む): 303480576

約数和(自身を除く): 173551856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 7283, 8920, 14566, 17840, 29132, 36415, 58264, 72830, 116528, 145660, 291320, 582640, 1624109, 3248218, 6496436, 8120545, 12992872, 16241090, 25985744, 32482180, 64964360, 129928720]

約数ペア:

[(1, 129928720), (2, 64964360), (4, 32482180), (5, 25985744), (8, 16241090), (10, 12992872), (16, 8120545), (20, 6496436), (40, 3248218), (80, 1624109), (223, 582640), (446, 291320), (892, 145660), (1115, 116528), (1784, 72830), (2230, 58264), (3568, 36415), (4460, 29132), (7283, 17840), (8920, 14566)]