2020779710

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:917

約数の個数: 64

約数和(自身を含む): 3821126400

約数和(自身を除く): 1800346690

約数列:

[1, 2, 5, 10, 41, 79, 82, 89, 158, 178, 205, 395, 410, 445, 701, 790, 890, 1402, 3239, 3505, 3649, 6478, 7010, 7031, 7298, 14062, 16195, 18245, 28741, 32390, 35155, 36490, 55379, 57482, 62389, 70310, 110758, 124778, 143705, 276895, 287410, 288271, 311945, 553790, 576542, 623890, 1441355, 2270539, 2557949, 2882710, 4541078, 4928731, 5115898, 9857462, 11352695, 12789745, 22705390, 24643655, 25579490, 49287310, 202077971, 404155942, 1010389855, 2020779710]

約数ペア:

[(1, 2020779710), (2, 1010389855), (5, 404155942), (10, 202077971), (41, 49287310), (79, 25579490), (82, 24643655), (89, 22705390), (158, 12789745), (178, 11352695), (205, 9857462), (395, 5115898), (410, 4928731), (445, 4541078), (701, 2882710), (790, 2557949), (890, 2270539), (1402, 1441355), (3239, 623890), (3505, 576542), (3649, 553790), (6478, 311945), (7010, 288271), (7031, 287410), (7298, 276895), (14062, 143705), (16195, 124778), (18245, 110758), (28741, 70310), (32390, 62389), (35155, 57482), (36490, 55379)]