26457260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 57953280

約数和(自身を除く): 31496020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 307, 310, 556, 614, 620, 695, 1228, 1390, 1535, 2780, 3070, 4309, 6140, 8618, 9517, 17236, 19034, 21545, 38068, 42673, 43090, 47585, 85346, 86180, 95170, 170692, 190340, 213365, 426730, 853460, 1322863, 2645726, 5291452, 6614315, 13228630, 26457260]

約数ペア:

[(1, 26457260), (2, 13228630), (4, 6614315), (5, 5291452), (10, 2645726), (20, 1322863), (31, 853460), (62, 426730), (124, 213365), (139, 190340), (155, 170692), (278, 95170), (307, 86180), (310, 85346), (556, 47585), (614, 43090), (620, 42673), (695, 38068), (1228, 21545), (1390, 19034), (1535, 17236), (2780, 9517), (3070, 8618), (4309, 6140)]