98657480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 232848000

約数和(自身を除く): 134190520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1399, 1640, 1720, 1763, 2798, 3526, 5596, 6995, 7052, 8815, 11192, 13990, 14104, 17630, 27980, 35260, 55960, 57359, 60157, 70520, 114718, 120314, 229436, 240628, 286795, 300785, 458872, 481256, 573590, 601570, 1147180, 1203140, 2294360, 2406280, 2466437, 4932874, 9865748, 12332185, 19731496, 24664370, 49328740, 98657480]

約数ペア:

[(1, 98657480), (2, 49328740), (4, 24664370), (5, 19731496), (8, 12332185), (10, 9865748), (20, 4932874), (40, 2466437), (41, 2406280), (43, 2294360), (82, 1203140), (86, 1147180), (164, 601570), (172, 573590), (205, 481256), (215, 458872), (328, 300785), (344, 286795), (410, 240628), (430, 229436), (820, 120314), (860, 114718), (1399, 70520), (1640, 60157), (1720, 57359), (1763, 55960), (2798, 35260), (3526, 27980), (5596, 17630), (6995, 14104), (7052, 13990), (8815, 11192)]