205384720

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{5569}}^1$

素因数の和:6043

約数の個数: 40

約数和(自身を含む): 478641240

約数和(自身を除く): 273256520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3688, 4610, 5569, 7376, 9220, 11138, 18440, 22276, 27845, 36880, 44552, 55690, 89104, 111380, 222760, 445520, 2567309, 5134618, 10269236, 12836545, 20538472, 25673090, 41076944, 51346180, 102692360, 205384720]

約数ペア:

[(1, 205384720), (2, 102692360), (4, 51346180), (5, 41076944), (8, 25673090), (10, 20538472), (16, 12836545), (20, 10269236), (40, 5134618), (80, 2567309), (461, 445520), (922, 222760), (1844, 111380), (2305, 89104), (3688, 55690), (4610, 44552), (5569, 36880), (7376, 27845), (9220, 22276), (11138, 18440)]