70631720

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12889}}^1$

素因数の和:13037

約数の個数: 32

約数和(自身を含む): 160093800

約数和(自身を除く): 89462080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 12889, 25778, 51556, 64445, 103112, 128890, 257780, 515560, 1765793, 3531586, 7063172, 8828965, 14126344, 17657930, 35315860, 70631720]

約数ペア:

[(1, 70631720), (2, 35315860), (4, 17657930), (5, 14126344), (8, 8828965), (10, 7063172), (20, 3531586), (40, 1765793), (137, 515560), (274, 257780), (548, 128890), (685, 103112), (1096, 64445), (1370, 51556), (2740, 25778), (5480, 12889)]