31012120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9341}}^1$

素因数の和:9435

約数の個数: 32

約数和(自身を含む): 70625520

約数和(自身を除く): 39613400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 9341, 18682, 37364, 46705, 74728, 93410, 186820, 373640, 775303, 1550606, 3101212, 3876515, 6202424, 7753030, 15506060, 31012120]

約数ペア:

[(1, 31012120), (2, 15506060), (4, 7753030), (5, 6202424), (8, 3876515), (10, 3101212), (20, 1550606), (40, 775303), (83, 373640), (166, 186820), (332, 93410), (415, 74728), (664, 46705), (830, 37364), (1660, 18682), (3320, 9341)]