2016254950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 3990682080

約数和(自身を除く): 1974427130

約数列:

[1, 2, 5, 10, 25, 41, 43, 50, 82, 86, 89, 178, 205, 215, 257, 410, 430, 445, 514, 890, 1025, 1075, 1285, 1763, 2050, 2150, 2225, 2570, 3526, 3649, 3827, 4450, 6425, 7298, 7654, 8815, 10537, 11051, 12850, 17630, 18245, 19135, 21074, 22102, 22873, 36490, 38270, 44075, 45746, 52685, 55255, 88150, 91225, 95675, 105370, 110510, 114365, 156907, 182450, 191350, 228730, 263425, 276275, 313814, 453091, 526850, 552550, 571825, 784535, 906182, 937793, 983539, 1143650, 1569070, 1875586, 1967078, 2265455, 3922675, 4530910, 4688965, 4917695, 7845350, 9377930, 9835390, 11327275, 22654550, 23444825, 24588475, 40325099, 46889650, 49176950, 80650198, 201625495, 403250990, 1008127475, 2016254950]

約数ペア:

[(1, 2016254950), (2, 1008127475), (5, 403250990), (10, 201625495), (25, 80650198), (41, 49176950), (43, 46889650), (50, 40325099), (82, 24588475), (86, 23444825), (89, 22654550), (178, 11327275), (205, 9835390), (215, 9377930), (257, 7845350), (410, 4917695), (430, 4688965), (445, 4530910), (514, 3922675), (890, 2265455), (1025, 1967078), (1075, 1875586), (1285, 1569070), (1763, 1143650), (2050, 983539), (2150, 937793), (2225, 906182), (2570, 784535), (3526, 571825), (3649, 552550), (3827, 526850), (4450, 453091), (6425, 313814), (7298, 276275), (7654, 263425), (8815, 228730), (10537, 191350), (11051, 182450), (12850, 156907), (17630, 114365), (18245, 110510), (19135, 105370), (21074, 95675), (22102, 91225), (22873, 88150), (36490, 55255), (38270, 52685), (44075, 45746)]