942795620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{5657}}^1$

素因数の和:6320

約数の個数: 48

約数和(自身を含む): 2135872368

約数和(自身を除く): 1193076748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641, 1282, 2564, 3205, 5657, 6410, 8333, 11314, 12820, 16666, 22628, 28285, 33332, 41665, 56570, 73541, 83330, 113140, 147082, 166660, 294164, 367705, 735410, 1470820, 3626137, 7252274, 14504548, 18130685, 36261370, 47139781, 72522740, 94279562, 188559124, 235698905, 471397810, 942795620]

約数ペア:

[(1, 942795620), (2, 471397810), (4, 235698905), (5, 188559124), (10, 94279562), (13, 72522740), (20, 47139781), (26, 36261370), (52, 18130685), (65, 14504548), (130, 7252274), (260, 3626137), (641, 1470820), (1282, 735410), (2564, 367705), (3205, 294164), (5657, 166660), (6410, 147082), (8333, 113140), (11314, 83330), (12820, 73541), (16666, 56570), (22628, 41665), (28285, 33332)]