23131420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 53555040

約数和(自身を除く): 30423620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2069, 2236, 2795, 4138, 5590, 8276, 10345, 11180, 20690, 26897, 41380, 53794, 88967, 107588, 134485, 177934, 268970, 355868, 444835, 537940, 889670, 1156571, 1779340, 2313142, 4626284, 5782855, 11565710, 23131420]

約数ペア:

[(1, 23131420), (2, 11565710), (4, 5782855), (5, 4626284), (10, 2313142), (13, 1779340), (20, 1156571), (26, 889670), (43, 537940), (52, 444835), (65, 355868), (86, 268970), (130, 177934), (172, 134485), (215, 107588), (260, 88967), (430, 53794), (559, 41380), (860, 26897), (1118, 20690), (2069, 11180), (2236, 10345), (2795, 8276), (4138, 5590)]