2017795040

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{19079}}^1$

素因数の和:19755

約数の個数: 48

約数和(自身を含む): 4774502880

約数和(自身を除く): 2756707840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 1322, 2644, 3305, 5288, 6610, 10576, 13220, 19079, 21152, 26440, 38158, 52880, 76316, 95395, 105760, 152632, 190790, 305264, 381580, 610528, 763160, 1526320, 3052640, 12611219, 25222438, 50444876, 63056095, 100889752, 126112190, 201779504, 252224380, 403559008, 504448760, 1008897520, 2017795040]

約数ペア:

[(1, 2017795040), (2, 1008897520), (4, 504448760), (5, 403559008), (8, 252224380), (10, 201779504), (16, 126112190), (20, 100889752), (32, 63056095), (40, 50444876), (80, 25222438), (160, 12611219), (661, 3052640), (1322, 1526320), (2644, 763160), (3305, 610528), (5288, 381580), (6610, 305264), (10576, 190790), (13220, 152632), (19079, 105760), (21152, 95395), (26440, 76316), (38158, 52880)]