39381940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{907}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 89695872

約数和(自身を除く): 50313932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 668, 835, 907, 1670, 1814, 2171, 3340, 3628, 4342, 4535, 8684, 9070, 10855, 11791, 18140, 21710, 23582, 43420, 47164, 58955, 117910, 151469, 235820, 302938, 605876, 757345, 1514690, 1969097, 3029380, 3938194, 7876388, 9845485, 19690970, 39381940]

約数ペア:

[(1, 39381940), (2, 19690970), (4, 9845485), (5, 7876388), (10, 3938194), (13, 3029380), (20, 1969097), (26, 1514690), (52, 757345), (65, 605876), (130, 302938), (167, 235820), (260, 151469), (334, 117910), (668, 58955), (835, 47164), (907, 43420), (1670, 23582), (1814, 21710), (2171, 18140), (3340, 11791), (3628, 10855), (4342, 9070), (4535, 8684)]