6813820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 15664320

約数和(自身を除く): 8850500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 359, 365, 718, 730, 949, 1436, 1460, 1795, 1898, 3590, 3796, 4667, 4745, 7180, 9334, 9490, 18668, 18980, 23335, 26207, 46670, 52414, 93340, 104828, 131035, 262070, 340691, 524140, 681382, 1362764, 1703455, 3406910, 6813820]

約数ペア:

[(1, 6813820), (2, 3406910), (4, 1703455), (5, 1362764), (10, 681382), (13, 524140), (20, 340691), (26, 262070), (52, 131035), (65, 104828), (73, 93340), (130, 52414), (146, 46670), (260, 26207), (292, 23335), (359, 18980), (365, 18668), (718, 9490), (730, 9334), (949, 7180), (1436, 4745), (1460, 4667), (1795, 3796), (1898, 3590)]