810750980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1\times {\mathrm{2917}}^1$

素因数の和:4008

約数の個数: 48

約数和(自身を含む): 1835888880

約数和(自身を除く): 1025137900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1069, 2138, 2917, 4276, 5345, 5834, 10690, 11668, 13897, 14585, 21380, 27794, 29170, 37921, 55588, 58340, 69485, 75842, 138970, 151684, 189605, 277940, 379210, 758420, 3118273, 6236546, 12473092, 15591365, 31182730, 40537549, 62365460, 81075098, 162150196, 202687745, 405375490, 810750980]

約数ペア:

[(1, 810750980), (2, 405375490), (4, 202687745), (5, 162150196), (10, 81075098), (13, 62365460), (20, 40537549), (26, 31182730), (52, 15591365), (65, 12473092), (130, 6236546), (260, 3118273), (1069, 758420), (2138, 379210), (2917, 277940), (4276, 189605), (5345, 151684), (5834, 138970), (10690, 75842), (11668, 69485), (13897, 58340), (14585, 55588), (21380, 37921), (27794, 29170)]