201895280

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{11317}}^1$

素因数の和:11553

約数の個数: 40

約数和(自身を含む): 471553152

約数和(自身を除く): 269657872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 11317, 17840, 22634, 45268, 56585, 90536, 113170, 181072, 226340, 452680, 905360, 2523691, 5047382, 10094764, 12618455, 20189528, 25236910, 40379056, 50473820, 100947640, 201895280]

約数ペア:

[(1, 201895280), (2, 100947640), (4, 50473820), (5, 40379056), (8, 25236910), (10, 20189528), (16, 12618455), (20, 10094764), (40, 5047382), (80, 2523691), (223, 905360), (446, 452680), (892, 226340), (1115, 181072), (1784, 113170), (2230, 90536), (3568, 56585), (4460, 45268), (8920, 22634), (11317, 17840)]