1178840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2267}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 2857680

約数和(自身を除く): 1678840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2267, 4534, 9068, 11335, 18136, 22670, 29471, 45340, 58942, 90680, 117884, 147355, 235768, 294710, 589420, 1178840]

約数ペア:

[(1, 1178840), (2, 589420), (4, 294710), (5, 235768), (8, 147355), (10, 117884), (13, 90680), (20, 58942), (26, 45340), (40, 29471), (52, 22670), (65, 18136), (104, 11335), (130, 9068), (260, 4534), (520, 2267)]