66391300

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{16193}}^1$

素因数の和:16248

約数の個数: 36

約数和(自身を含む): 147592116

約数和(自身を除く): 81200816

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 16193, 32386, 64772, 80965, 161930, 323860, 404825, 663913, 809650, 1327826, 1619300, 2655652, 3319565, 6639130, 13278260, 16597825, 33195650, 66391300]

約数ペア:

[(1, 66391300), (2, 33195650), (4, 16597825), (5, 13278260), (10, 6639130), (20, 3319565), (25, 2655652), (41, 1619300), (50, 1327826), (82, 809650), (100, 663913), (164, 404825), (205, 323860), (410, 161930), (820, 80965), (1025, 64772), (2050, 32386), (4100, 16193)]