201161960

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{10909}}^1$

素因数の和:11381

約数の個数: 32

約数和(自身を含む): 453637800

約数和(自身を除く): 252475840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 10909, 18440, 21818, 43636, 54545, 87272, 109090, 218180, 436360, 5029049, 10058098, 20116196, 25145245, 40232392, 50290490, 100580980, 201161960]

約数ペア:

[(1, 201161960), (2, 100580980), (4, 50290490), (5, 40232392), (8, 25145245), (10, 20116196), (20, 10058098), (40, 5029049), (461, 436360), (922, 218180), (1844, 109090), (2305, 87272), (3688, 54545), (4610, 43636), (9220, 21818), (10909, 18440)]