921036280

素因数分解:

$2^3\times 5^1\times {\mathrm{2689}}^1\times {\mathrm{8563}}^1$

素因数の和:11263

約数の個数: 32

約数和(自身を含む): 2073344400

約数和(自身を除く): 1152308120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2689, 5378, 8563, 10756, 13445, 17126, 21512, 26890, 34252, 42815, 53780, 68504, 85630, 107560, 171260, 342520, 23025907, 46051814, 92103628, 115129535, 184207256, 230259070, 460518140, 921036280]

約数ペア:

[(1, 921036280), (2, 460518140), (4, 230259070), (5, 184207256), (8, 115129535), (10, 92103628), (20, 46051814), (40, 23025907), (2689, 342520), (5378, 171260), (8563, 107560), (10756, 85630), (13445, 68504), (17126, 53780), (21512, 42815), (26890, 34252)]