325940420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{9871}}^1$

素因数の和:10020

約数の個数: 48

約数和(自身を含む): 743006208

約数和(自身を除く): 417065788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 9871, 16510, 19742, 33020, 39484, 49355, 98710, 128323, 197420, 256646, 513292, 641615, 1253617, 1283230, 2507234, 2566460, 5014468, 6268085, 12536170, 16297021, 25072340, 32594042, 65188084, 81485105, 162970210, 325940420]

約数ペア:

[(1, 325940420), (2, 162970210), (4, 81485105), (5, 65188084), (10, 32594042), (13, 25072340), (20, 16297021), (26, 12536170), (52, 6268085), (65, 5014468), (127, 2566460), (130, 2507234), (254, 1283230), (260, 1253617), (508, 641615), (635, 513292), (1270, 256646), (1651, 197420), (2540, 128323), (3302, 98710), (6604, 49355), (8255, 39484), (9871, 33020), (16510, 19742)]