87482240

素因数分解:

$2^7\times 5^1\times {\mathrm{136691}}^1$

素因数の和:136710

約数の個数: 32

約数和(自身を含む): 209138760

約数和(自身を除く): 121656520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136691, 273382, 546764, 683455, 1093528, 1366910, 2187056, 2733820, 4374112, 5467640, 8748224, 10935280, 17496448, 21870560, 43741120, 87482240]

約数ペア:

[(1, 87482240), (2, 43741120), (4, 21870560), (5, 17496448), (8, 10935280), (10, 8748224), (16, 5467640), (20, 4374112), (32, 2733820), (40, 2187056), (64, 1366910), (80, 1093528), (128, 683455), (160, 546764), (320, 273382), (640, 136691)]