201523720

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{14519}}^1$

素因数の和:14877

約数の個数: 32

約数和(自身を含む): 454766400

約数和(自身を除く): 253242680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 13880, 14519, 29038, 58076, 72595, 116152, 145190, 290380, 580760, 5038093, 10076186, 20152372, 25190465, 40304744, 50380930, 100761860, 201523720]

約数ペア:

[(1, 201523720), (2, 100761860), (4, 50380930), (5, 40304744), (8, 25190465), (10, 20152372), (20, 10076186), (40, 5038093), (347, 580760), (694, 290380), (1388, 145190), (1735, 116152), (2776, 72595), (3470, 58076), (6940, 29038), (13880, 14519)]