13390280

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{601}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 30232440

約数和(自身を除く): 16842160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 601, 1114, 1202, 2228, 2404, 2785, 3005, 4456, 4808, 5570, 6010, 11140, 12020, 22280, 24040, 334757, 669514, 1339028, 1673785, 2678056, 3347570, 6695140, 13390280]

約数ペア:

[(1, 13390280), (2, 6695140), (4, 3347570), (5, 2678056), (8, 1673785), (10, 1339028), (20, 669514), (40, 334757), (557, 24040), (601, 22280), (1114, 12020), (1202, 11140), (2228, 6010), (2404, 5570), (2785, 4808), (3005, 4456)]