12920007140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{62603}}^1$

素因数の和:63236

約数の個数: 48

約数和(自身を含む): 28775803392

約数和(自身を除く): 15855796252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 607, 1214, 2428, 3035, 6070, 10319, 12140, 20638, 41276, 51595, 62603, 103190, 125206, 206380, 250412, 313015, 626030, 1064251, 1252060, 2128502, 4257004, 5321255, 10642510, 21285020, 38000021, 76000042, 152000084, 190000105, 380000210, 646000357, 760000420, 1292000714, 2584001428, 3230001785, 6460003570, 12920007140]

約数ペア:

[(1, 12920007140), (2, 6460003570), (4, 3230001785), (5, 2584001428), (10, 1292000714), (17, 760000420), (20, 646000357), (34, 380000210), (68, 190000105), (85, 152000084), (170, 76000042), (340, 38000021), (607, 21285020), (1214, 10642510), (2428, 5321255), (3035, 4257004), (6070, 2128502), (10319, 1252060), (12140, 1064251), (20638, 626030), (41276, 313015), (51595, 250412), (62603, 206380), (103190, 125206)]