2017201940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{49417}}^1$

素因数の和:49596

約数の個数: 48

約数和(自身を含む): 4591129872

約数和(自身を除く): 2573927932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 2041, 3140, 4082, 8164, 10205, 20410, 40820, 49417, 98834, 197668, 247085, 494170, 642421, 988340, 1284842, 2569684, 3212105, 6424210, 7758469, 12848420, 15516938, 31033876, 38792345, 77584690, 100860097, 155169380, 201720194, 403440388, 504300485, 1008600970, 2017201940]

約数ペア:

[(1, 2017201940), (2, 1008600970), (4, 504300485), (5, 403440388), (10, 201720194), (13, 155169380), (20, 100860097), (26, 77584690), (52, 38792345), (65, 31033876), (130, 15516938), (157, 12848420), (260, 7758469), (314, 6424210), (628, 3212105), (785, 2569684), (1570, 1284842), (2041, 988340), (3140, 642421), (4082, 494170), (8164, 247085), (10205, 197668), (20410, 98834), (40820, 49417)]