78425840

素因数分解:

$2^4\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1699}}^1$

素因数の和:2289

約数の個数: 40

約数和(自身を含む): 182763600

約数和(自身を除く): 104337760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 577, 1154, 1699, 2308, 2885, 3398, 4616, 5770, 6796, 8495, 9232, 11540, 13592, 16990, 23080, 27184, 33980, 46160, 67960, 135920, 980323, 1960646, 3921292, 4901615, 7842584, 9803230, 15685168, 19606460, 39212920, 78425840]

約数ペア:

[(1, 78425840), (2, 39212920), (4, 19606460), (5, 15685168), (8, 9803230), (10, 7842584), (16, 4901615), (20, 3921292), (40, 1960646), (80, 980323), (577, 135920), (1154, 67960), (1699, 46160), (2308, 33980), (2885, 27184), (3398, 23080), (4616, 16990), (5770, 13592), (6796, 11540), (8495, 9232)]