13680080

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 31974144

約数和(自身を除く): 18294064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 631, 1084, 1262, 1355, 2168, 2524, 2710, 3155, 4336, 5048, 5420, 6310, 10096, 10840, 12620, 21680, 25240, 50480, 171001, 342002, 684004, 855005, 1368008, 1710010, 2736016, 3420020, 6840040, 13680080]

約数ペア:

[(1, 13680080), (2, 6840040), (4, 3420020), (5, 2736016), (8, 1710010), (10, 1368008), (16, 855005), (20, 684004), (40, 342002), (80, 171001), (271, 50480), (542, 25240), (631, 21680), (1084, 12620), (1262, 10840), (1355, 10096), (2168, 6310), (2524, 5420), (2710, 5048), (3155, 4336)]