13415140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 30381120

約数和(自身を除く): 16965980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 821, 860, 1634, 1642, 3268, 3284, 4085, 4105, 8170, 8210, 15599, 16340, 16420, 31198, 35303, 62396, 70606, 77995, 141212, 155990, 176515, 311980, 353030, 670757, 706060, 1341514, 2683028, 3353785, 6707570, 13415140]

約数ペア:

[(1, 13415140), (2, 6707570), (4, 3353785), (5, 2683028), (10, 1341514), (19, 706060), (20, 670757), (38, 353030), (43, 311980), (76, 176515), (86, 155990), (95, 141212), (172, 77995), (190, 70606), (215, 62396), (380, 35303), (430, 31198), (817, 16420), (821, 16340), (860, 15599), (1634, 8210), (1642, 8170), (3268, 4105), (3284, 4085)]