13388720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 60

約数和(自身を含む): 32401200

約数和(自身を除く): 19012480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 199, 232, 290, 398, 464, 580, 796, 841, 995, 1160, 1592, 1682, 1990, 2320, 3184, 3364, 3980, 4205, 5771, 6728, 7960, 8410, 11542, 13456, 15920, 16820, 23084, 28855, 33640, 46168, 57710, 67280, 92336, 115420, 167359, 230840, 334718, 461680, 669436, 836795, 1338872, 1673590, 2677744, 3347180, 6694360, 13388720]

約数ペア:

[(1, 13388720), (2, 6694360), (4, 3347180), (5, 2677744), (8, 1673590), (10, 1338872), (16, 836795), (20, 669436), (29, 461680), (40, 334718), (58, 230840), (80, 167359), (116, 115420), (145, 92336), (199, 67280), (232, 57710), (290, 46168), (398, 33640), (464, 28855), (580, 23084), (796, 16820), (841, 15920), (995, 13456), (1160, 11542), (1592, 8410), (1682, 7960), (1990, 6728), (2320, 5771), (3184, 4205), (3364, 3980)]