11840140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 28038528

約数和(自身を除く): 16198388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 113, 124, 130, 155, 169, 226, 260, 310, 338, 403, 452, 565, 620, 676, 806, 845, 1130, 1469, 1612, 1690, 2015, 2260, 2938, 3380, 3503, 4030, 5239, 5876, 7006, 7345, 8060, 10478, 14012, 14690, 17515, 19097, 20956, 26195, 29380, 35030, 38194, 45539, 52390, 70060, 76388, 91078, 95485, 104780, 182156, 190970, 227695, 381940, 455390, 592007, 910780, 1184014, 2368028, 2960035, 5920070, 11840140]

約数ペア:

[(1, 11840140), (2, 5920070), (4, 2960035), (5, 2368028), (10, 1184014), (13, 910780), (20, 592007), (26, 455390), (31, 381940), (52, 227695), (62, 190970), (65, 182156), (113, 104780), (124, 95485), (130, 91078), (155, 76388), (169, 70060), (226, 52390), (260, 45539), (310, 38194), (338, 35030), (403, 29380), (452, 26195), (565, 20956), (620, 19097), (676, 17515), (806, 14690), (845, 14012), (1130, 10478), (1469, 8060), (1612, 7345), (1690, 7006), (2015, 5876), (2260, 5239), (2938, 4030), (3380, 3503)]