66123775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 86744448

約数和(自身を除く): 20620673

約数列:

[1, 5, 25, 31, 41, 155, 205, 775, 1025, 1271, 2081, 6355, 10405, 31775, 52025, 64511, 85321, 322555, 426605, 1612775, 2133025, 2644951, 13224755, 66123775]

約数ペア:

[(1, 66123775), (5, 13224755), (25, 2644951), (31, 2133025), (41, 1612775), (155, 426605), (205, 322555), (775, 85321), (1025, 64511), (1271, 52025), (2081, 31775), (6355, 10405)]