138268780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{983}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 313596864

約数和(自身を除く): 175328084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 541, 983, 1082, 1966, 2164, 2705, 3932, 4915, 5410, 7033, 9830, 10820, 12779, 14066, 19660, 25558, 28132, 35165, 51116, 63895, 70330, 127790, 140660, 255580, 531803, 1063606, 2127212, 2659015, 5318030, 6913439, 10636060, 13826878, 27653756, 34567195, 69134390, 138268780]

約数ペア:

[(1, 138268780), (2, 69134390), (4, 34567195), (5, 27653756), (10, 13826878), (13, 10636060), (20, 6913439), (26, 5318030), (52, 2659015), (65, 2127212), (130, 1063606), (260, 531803), (541, 255580), (983, 140660), (1082, 127790), (1966, 70330), (2164, 63895), (2705, 51116), (3932, 35165), (4915, 28132), (5410, 25558), (7033, 19660), (9830, 14066), (10820, 12779)]