25441240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 38010920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 863, 1340, 1474, 1726, 2680, 2948, 3452, 3685, 4315, 5896, 6904, 7370, 8630, 9493, 14740, 17260, 18986, 29480, 34520, 37972, 47465, 57821, 75944, 94930, 115642, 189860, 231284, 289105, 379720, 462568, 578210, 636031, 1156420, 1272062, 2312840, 2544124, 3180155, 5088248, 6360310, 12720620, 25441240]

約数ペア:

[(1, 25441240), (2, 12720620), (4, 6360310), (5, 5088248), (8, 3180155), (10, 2544124), (11, 2312840), (20, 1272062), (22, 1156420), (40, 636031), (44, 578210), (55, 462568), (67, 379720), (88, 289105), (110, 231284), (134, 189860), (220, 115642), (268, 94930), (335, 75944), (440, 57821), (536, 47465), (670, 37972), (737, 34520), (863, 29480), (1340, 18986), (1474, 17260), (1726, 14740), (2680, 9493), (2948, 8630), (3452, 7370), (3685, 6904), (4315, 5896)]