64097120

素因数分解:

$2^5\times 5^1\times {\mathrm{400607}}^1$

素因数の和:400622

約数の個数: 24

約数和(自身を含む): 151429824

約数和(自身を除く): 87332704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 400607, 801214, 1602428, 2003035, 3204856, 4006070, 6409712, 8012140, 12819424, 16024280, 32048560, 64097120]

約数ペア:

[(1, 64097120), (2, 32048560), (4, 16024280), (5, 12819424), (8, 8012140), (10, 6409712), (16, 4006070), (20, 3204856), (32, 2003035), (40, 1602428), (80, 801214), (160, 400607)]