1640390074

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{52783}}^1$

素因数の和:53205

約数の個数: 16

約数和(自身を含む): 2527297920

約数和(自身を除く): 886907846

約数列:

[1, 2, 41, 82, 379, 758, 15539, 31078, 52783, 105566, 2164103, 4328206, 20004757, 40009514, 820195037, 1640390074]

約数ペア:

[(1, 1640390074), (2, 820195037), (41, 40009514), (82, 20004757), (379, 4328206), (758, 2164103), (15539, 105566), (31078, 52783)]