81480984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20089}}^1$

素因数の和:20124

約数の個数: 48

約数和(自身を含む): 220588200

約数和(自身を除く): 139107216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 20089, 40178, 60267, 80356, 120534, 160712, 241068, 261157, 482136, 522314, 783471, 1044628, 1566942, 2089256, 3133884, 3395041, 6267768, 6790082, 10185123, 13580164, 20370246, 27160328, 40740492, 81480984]

約数ペア:

[(1, 81480984), (2, 40740492), (3, 27160328), (4, 20370246), (6, 13580164), (8, 10185123), (12, 6790082), (13, 6267768), (24, 3395041), (26, 3133884), (39, 2089256), (52, 1566942), (78, 1044628), (104, 783471), (156, 522314), (169, 482136), (312, 261157), (338, 241068), (507, 160712), (676, 120534), (1014, 80356), (1352, 60267), (2028, 40178), (4056, 20089)]