13285400

素因数分解:

$2^3\times 5^2\times {\mathrm{181}}^1\times {\mathrm{367}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 31143840

約数和(自身を除く): 17858440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 181, 200, 362, 367, 724, 734, 905, 1448, 1468, 1810, 1835, 2936, 3620, 3670, 4525, 7240, 7340, 9050, 9175, 14680, 18100, 18350, 36200, 36700, 66427, 73400, 132854, 265708, 332135, 531416, 664270, 1328540, 1660675, 2657080, 3321350, 6642700, 13285400]

約数ペア:

[(1, 13285400), (2, 6642700), (4, 3321350), (5, 2657080), (8, 1660675), (10, 1328540), (20, 664270), (25, 531416), (40, 332135), (50, 265708), (100, 132854), (181, 73400), (200, 66427), (362, 36700), (367, 36200), (724, 18350), (734, 18100), (905, 14680), (1448, 9175), (1468, 9050), (1810, 7340), (1835, 7240), (2936, 4525), (3620, 3670)]