80972560

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6793}}^1$

素因数の和:6955

約数の個数: 40

約数和(自身を含む): 189552600

約数和(自身を除く): 108580040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 6793, 11920, 13586, 27172, 33965, 54344, 67930, 108688, 135860, 271720, 543440, 1012157, 2024314, 4048628, 5060785, 8097256, 10121570, 16194512, 20243140, 40486280, 80972560]

約数ペア:

[(1, 80972560), (2, 40486280), (4, 20243140), (5, 16194512), (8, 10121570), (10, 8097256), (16, 5060785), (20, 4048628), (40, 2024314), (80, 1012157), (149, 543440), (298, 271720), (596, 135860), (745, 108688), (1192, 67930), (1490, 54344), (2384, 33965), (2980, 27172), (5960, 13586), (6793, 11920)]