201051320

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{10903}}^1$

素因数の和:11375

約数の個数: 32

約数和(自身を含む): 453388320

約数和(自身を除く): 252337000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 10903, 18440, 21806, 43612, 54515, 87224, 109030, 218060, 436120, 5026283, 10052566, 20105132, 25131415, 40210264, 50262830, 100525660, 201051320]

約数ペア:

[(1, 201051320), (2, 100525660), (4, 50262830), (5, 40210264), (8, 25131415), (10, 20105132), (20, 10052566), (40, 5026283), (461, 436120), (922, 218060), (1844, 109030), (2305, 87224), (3688, 54515), (4610, 43612), (9220, 21806), (10903, 18440)]