1640377570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2393}}^1\times {\mathrm{5273}}^1$

素因数の和:7686

約数の個数: 32

約数和(自身を含む): 3181740912

約数和(自身を除く): 1541363342

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2393, 4786, 5273, 10546, 11965, 23930, 26365, 31109, 52730, 62218, 68549, 137098, 155545, 311090, 342745, 685490, 12618289, 25236578, 63091445, 126182890, 164037757, 328075514, 820188785, 1640377570]

約数ペア:

[(1, 1640377570), (2, 820188785), (5, 328075514), (10, 164037757), (13, 126182890), (26, 63091445), (65, 25236578), (130, 12618289), (2393, 685490), (4786, 342745), (5273, 311090), (10546, 155545), (11965, 137098), (23930, 68549), (26365, 62218), (31109, 52730)]