31025420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 67888128

約数和(自身を除く): 36862708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 307, 310, 326, 614, 620, 652, 815, 1228, 1535, 1630, 3070, 3260, 5053, 6140, 9517, 10106, 19034, 20212, 25265, 38068, 47585, 50041, 50530, 95170, 100082, 101060, 190340, 200164, 250205, 500410, 1000820, 1551271, 3102542, 6205084, 7756355, 15512710, 31025420]

約数ペア:

[(1, 31025420), (2, 15512710), (4, 7756355), (5, 6205084), (10, 3102542), (20, 1551271), (31, 1000820), (62, 500410), (124, 250205), (155, 200164), (163, 190340), (307, 101060), (310, 100082), (326, 95170), (614, 50530), (620, 50041), (652, 47585), (815, 38068), (1228, 25265), (1535, 20212), (1630, 19034), (3070, 10106), (3260, 9517), (5053, 6140)]