64997560

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2677}}^1$

素因数の和:3295

約数の個数: 32

約数和(自身を含む): 146540160

約数和(自身を除く): 81542600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 2677, 3035, 4856, 5354, 6070, 10708, 12140, 13385, 21416, 24280, 26770, 53540, 107080, 1624939, 3249878, 6499756, 8124695, 12999512, 16249390, 32498780, 64997560]

約数ペア:

[(1, 64997560), (2, 32498780), (4, 16249390), (5, 12999512), (8, 8124695), (10, 6499756), (20, 3249878), (40, 1624939), (607, 107080), (1214, 53540), (2428, 26770), (2677, 24280), (3035, 21416), (4856, 13385), (5354, 12140), (6070, 10708)]