26716820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 60832128

約数和(自身を除く): 34115308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 487, 844, 974, 1055, 1948, 2110, 2435, 2743, 4220, 4870, 5486, 6331, 9740, 10972, 12662, 13715, 25324, 27430, 31655, 54860, 63310, 102757, 126620, 205514, 411028, 513785, 1027570, 1335841, 2055140, 2671682, 5343364, 6679205, 13358410, 26716820]

約数ペア:

[(1, 26716820), (2, 13358410), (4, 6679205), (5, 5343364), (10, 2671682), (13, 2055140), (20, 1335841), (26, 1027570), (52, 513785), (65, 411028), (130, 205514), (211, 126620), (260, 102757), (422, 63310), (487, 54860), (844, 31655), (974, 27430), (1055, 25324), (1948, 13715), (2110, 12662), (2435, 10972), (2743, 9740), (4220, 6331), (4870, 5486)]