17982640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17291}}^1$

素因数の和:17317

約数の個数: 40

約数和(自身を含む): 45028368

約数和(自身を除く): 27045728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17291, 34582, 69164, 86455, 138328, 172910, 224783, 276656, 345820, 449566, 691640, 899132, 1123915, 1383280, 1798264, 2247830, 3596528, 4495660, 8991320, 17982640]

約数ペア:

[(1, 17982640), (2, 8991320), (4, 4495660), (5, 3596528), (8, 2247830), (10, 1798264), (13, 1383280), (16, 1123915), (20, 899132), (26, 691640), (40, 449566), (52, 345820), (65, 276656), (80, 224783), (104, 172910), (130, 138328), (208, 86455), (260, 69164), (520, 34582), (1040, 17291)]