129206720

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2029}}^1$

素因数の和:2245

約数の個数: 56

約数和(自身を含む): 309372000

約数和(自身を除く): 180165280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 2029, 3184, 3980, 4058, 6368, 7960, 8116, 10145, 12736, 15920, 16232, 20290, 31840, 32464, 40580, 63680, 64928, 81160, 129856, 162320, 324640, 403771, 649280, 807542, 1615084, 2018855, 3230168, 4037710, 6460336, 8075420, 12920672, 16150840, 25841344, 32301680, 64603360, 129206720]

約数ペア:

[(1, 129206720), (2, 64603360), (4, 32301680), (5, 25841344), (8, 16150840), (10, 12920672), (16, 8075420), (20, 6460336), (32, 4037710), (40, 3230168), (64, 2018855), (80, 1615084), (160, 807542), (199, 649280), (320, 403771), (398, 324640), (796, 162320), (995, 129856), (1592, 81160), (1990, 64928), (2029, 63680), (3184, 40580), (3980, 32464), (4058, 31840), (6368, 20290), (7960, 16232), (8116, 15920), (10145, 12736)]