26870660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 58060800

約数和(自身を除く): 31190140

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 149, 254, 284, 298, 355, 508, 596, 635, 710, 745, 1270, 1420, 1490, 2540, 2980, 9017, 10579, 18034, 18923, 21158, 36068, 37846, 42316, 45085, 52895, 75692, 90170, 94615, 105790, 180340, 189230, 211580, 378460, 1343533, 2687066, 5374132, 6717665, 13435330, 26870660]

約数ペア:

[(1, 26870660), (2, 13435330), (4, 6717665), (5, 5374132), (10, 2687066), (20, 1343533), (71, 378460), (127, 211580), (142, 189230), (149, 180340), (254, 105790), (284, 94615), (298, 90170), (355, 75692), (508, 52895), (596, 45085), (635, 42316), (710, 37846), (745, 36068), (1270, 21158), (1420, 18923), (1490, 18034), (2540, 10579), (2980, 9017)]