65039440

素因数分解:

$2^4\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1409}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 151586280

約数和(自身を除く): 86546840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 577, 1154, 1409, 2308, 2818, 2885, 4616, 5636, 5770, 7045, 9232, 11272, 11540, 14090, 22544, 23080, 28180, 46160, 56360, 112720, 812993, 1625986, 3251972, 4064965, 6503944, 8129930, 13007888, 16259860, 32519720, 65039440]

約数ペア:

[(1, 65039440), (2, 32519720), (4, 16259860), (5, 13007888), (8, 8129930), (10, 6503944), (16, 4064965), (20, 3251972), (40, 1625986), (80, 812993), (577, 112720), (1154, 56360), (1409, 46160), (2308, 28180), (2818, 23080), (2885, 22544), (4616, 14090), (5636, 11540), (5770, 11272), (7045, 9232)]