201628360

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{12697}}^1$

素因数の和:13105

約数の個数: 32

約数和(自身を含む): 454842360

約数和(自身を除く): 253214000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 12697, 15880, 25394, 50788, 63485, 101576, 126970, 253940, 507880, 5040709, 10081418, 20162836, 25203545, 40325672, 50407090, 100814180, 201628360]

約数ペア:

[(1, 201628360), (2, 100814180), (4, 50407090), (5, 40325672), (8, 25203545), (10, 20162836), (20, 10081418), (40, 5040709), (397, 507880), (794, 253940), (1588, 126970), (1985, 101576), (3176, 63485), (3970, 50788), (7940, 25394), (12697, 15880)]