4385420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 10075968

約数和(自身を除く): 5690548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 167, 202, 260, 334, 404, 505, 668, 835, 1010, 1313, 1670, 2020, 2171, 2626, 3340, 4342, 5252, 6565, 8684, 10855, 13130, 16867, 21710, 26260, 33734, 43420, 67468, 84335, 168670, 219271, 337340, 438542, 877084, 1096355, 2192710, 4385420]

約数ペア:

[(1, 4385420), (2, 2192710), (4, 1096355), (5, 877084), (10, 438542), (13, 337340), (20, 219271), (26, 168670), (52, 84335), (65, 67468), (101, 43420), (130, 33734), (167, 26260), (202, 21710), (260, 16867), (334, 13130), (404, 10855), (505, 8684), (668, 6565), (835, 5252), (1010, 4342), (1313, 3340), (1670, 2626), (2020, 2171)]