26669890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 53336448

約数和(自身を除く): 26666558

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 338, 367, 430, 559, 734, 845, 1118, 1690, 1835, 2795, 3670, 4771, 5590, 7267, 9542, 14534, 15781, 23855, 31562, 36335, 47710, 62023, 72670, 78905, 124046, 157810, 205153, 310115, 410306, 620230, 1025765, 2051530, 2666989, 5333978, 13334945, 26669890]

約数ペア:

[(1, 26669890), (2, 13334945), (5, 5333978), (10, 2666989), (13, 2051530), (26, 1025765), (43, 620230), (65, 410306), (86, 310115), (130, 205153), (169, 157810), (215, 124046), (338, 78905), (367, 72670), (430, 62023), (559, 47710), (734, 36335), (845, 31562), (1118, 23855), (1690, 15781), (1835, 14534), (2795, 9542), (3670, 7267), (4771, 5590)]