64150400

素因数分解:

$2^7\times 5^2\times {\mathrm{20047}}^1$

素因数の和:20071

約数の個数: 48

約数和(自身を含む): 158479440

約数和(自身を除く): 94329040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 20047, 40094, 80188, 100235, 160376, 200470, 320752, 400940, 501175, 641504, 801880, 1002350, 1283008, 1603760, 2004700, 2566016, 3207520, 4009400, 6415040, 8018800, 12830080, 16037600, 32075200, 64150400]

約数ペア:

[(1, 64150400), (2, 32075200), (4, 16037600), (5, 12830080), (8, 8018800), (10, 6415040), (16, 4009400), (20, 3207520), (25, 2566016), (32, 2004700), (40, 1603760), (50, 1283008), (64, 1002350), (80, 801880), (100, 641504), (128, 501175), (160, 400940), (200, 320752), (320, 200470), (400, 160376), (640, 100235), (800, 80188), (1600, 40094), (3200, 20047)]