127765040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2926

約数の個数: 80

約数和(自身を含む): 327458208

約数和(自身を除く): 199693168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 2857, 3440, 4472, 5590, 5714, 8944, 11180, 11428, 14285, 22360, 22856, 28570, 37141, 44720, 45712, 57140, 74282, 114280, 122851, 148564, 185705, 228560, 245702, 297128, 371410, 491404, 594256, 614255, 742820, 982808, 1228510, 1485640, 1597063, 1965616, 2457020, 2971280, 3194126, 4914040, 6388252, 7985315, 9828080, 12776504, 15970630, 25553008, 31941260, 63882520, 127765040]

約数ペア:

[(1, 127765040), (2, 63882520), (4, 31941260), (5, 25553008), (8, 15970630), (10, 12776504), (13, 9828080), (16, 7985315), (20, 6388252), (26, 4914040), (40, 3194126), (43, 2971280), (52, 2457020), (65, 1965616), (80, 1597063), (86, 1485640), (104, 1228510), (130, 982808), (172, 742820), (208, 614255), (215, 594256), (260, 491404), (344, 371410), (430, 297128), (520, 245702), (559, 228560), (688, 185705), (860, 148564), (1040, 122851), (1118, 114280), (1720, 74282), (2236, 57140), (2795, 45712), (2857, 44720), (3440, 37141), (4472, 28570), (5590, 22856), (5714, 22360), (8944, 14285), (11180, 11428)]