28503760

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1259}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 66558240

約数和(自身を除く): 38054480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1259, 1415, 2264, 2518, 2830, 4528, 5036, 5660, 6295, 10072, 11320, 12590, 20144, 22640, 25180, 50360, 100720, 356297, 712594, 1425188, 1781485, 2850376, 3562970, 5700752, 7125940, 14251880, 28503760]

約数ペア:

[(1, 28503760), (2, 14251880), (4, 7125940), (5, 5700752), (8, 3562970), (10, 2850376), (16, 1781485), (20, 1425188), (40, 712594), (80, 356297), (283, 100720), (566, 50360), (1132, 25180), (1259, 22640), (1415, 20144), (2264, 12590), (2518, 11320), (2830, 10072), (4528, 6295), (5036, 5660)]