39979225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 59621184

約数和(自身を除く): 19641959

約数列:

[1, 5, 11, 13, 25, 53, 55, 65, 143, 211, 265, 275, 325, 583, 689, 715, 1055, 1325, 2321, 2743, 2915, 3445, 3575, 5275, 7579, 11183, 11605, 13715, 14575, 17225, 30173, 37895, 55915, 58025, 68575, 123013, 145379, 150865, 189475, 279575, 615065, 726895, 754325, 1599169, 3075325, 3634475, 7995845, 39979225]

約数ペア:

[(1, 39979225), (5, 7995845), (11, 3634475), (13, 3075325), (25, 1599169), (53, 754325), (55, 726895), (65, 615065), (143, 279575), (211, 189475), (265, 150865), (275, 145379), (325, 123013), (583, 68575), (689, 58025), (715, 55915), (1055, 37895), (1325, 30173), (2321, 17225), (2743, 14575), (2915, 13715), (3445, 11605), (3575, 11183), (5275, 7579)]