201993441680

素因数分解:

$2^4\times 5^1\times {\mathrm{2524918021}}^1$

素因数の和:2524918034

約数の個数: 20

約数和(自身を含む): 469634752092

約数和(自身を除く): 267641310412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524918021, 5049836042, 10099672084, 12624590105, 20199344168, 25249180210, 40398688336, 50498360420, 100996720840, 201993441680]

約数ペア:

[(1, 201993441680), (2, 100996720840), (4, 50498360420), (5, 40398688336), (8, 25249180210), (10, 20199344168), (16, 12624590105), (20, 10099672084), (40, 5049836042), (80, 2524918021)]