40267384

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 81198720

約数和(自身を除く): 40931336

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 191, 292, 361, 382, 584, 722, 764, 1387, 1444, 1528, 2774, 2888, 3629, 5548, 7258, 11096, 13943, 14516, 26353, 27886, 29032, 52706, 55772, 68951, 105412, 111544, 137902, 210824, 264917, 275804, 529834, 551608, 1059668, 2119336, 5033423, 10066846, 20133692, 40267384]

約数ペア:

[(1, 40267384), (2, 20133692), (4, 10066846), (8, 5033423), (19, 2119336), (38, 1059668), (73, 551608), (76, 529834), (146, 275804), (152, 264917), (191, 210824), (292, 137902), (361, 111544), (382, 105412), (584, 68951), (722, 55772), (764, 52706), (1387, 29032), (1444, 27886), (1528, 26353), (2774, 14516), (2888, 13943), (3629, 11096), (5548, 7258)]