26666510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 53758080

約数和(自身を除く): 27091570

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 509, 806, 845, 1018, 1690, 2015, 2545, 4030, 5090, 5239, 6617, 10478, 13234, 15779, 26195, 31558, 33085, 52390, 66170, 78895, 86021, 157790, 172042, 205127, 410254, 430105, 860210, 1025635, 2051270, 2666651, 5333302, 13333255, 26666510]

約数ペア:

[(1, 26666510), (2, 13333255), (5, 5333302), (10, 2666651), (13, 2051270), (26, 1025635), (31, 860210), (62, 430105), (65, 410254), (130, 205127), (155, 172042), (169, 157790), (310, 86021), (338, 78895), (403, 66170), (509, 52390), (806, 33085), (845, 31558), (1018, 26195), (1690, 15779), (2015, 13234), (2545, 10478), (4030, 6617), (5090, 5239)]