98709080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{57389}}^1$

素因数の和:57443

約数の個数: 32

約数和(自身を含む): 227264400

約数和(自身を除く): 128555320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 57389, 114778, 229556, 286945, 459112, 573890, 1147780, 2295560, 2467727, 4935454, 9870908, 12338635, 19741816, 24677270, 49354540, 98709080]

約数ペア:

[(1, 98709080), (2, 49354540), (4, 24677270), (5, 19741816), (8, 12338635), (10, 9870908), (20, 4935454), (40, 2467727), (43, 2295560), (86, 1147780), (172, 573890), (215, 459112), (344, 286945), (430, 229556), (860, 114778), (1720, 57389)]