2080804570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1\times {\mathrm{983}}^1$

素因数の和:1879

約数の個数: 64

約数和(自身を含む): 4255130880

約数和(自身を除く): 2174326310

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 857, 983, 1235, 1714, 1966, 2470, 4285, 4915, 8570, 9830, 11141, 12779, 16283, 18677, 22282, 25558, 32566, 37354, 55705, 63895, 81415, 93385, 111410, 127790, 162830, 186770, 211679, 242801, 423358, 485602, 842431, 1058395, 1214005, 1684862, 2116790, 2428010, 4212155, 8424310, 10951603, 16006189, 21903206, 32012378, 54758015, 80030945, 109516030, 160061890, 208080457, 416160914, 1040402285, 2080804570]

約数ペア:

[(1, 2080804570), (2, 1040402285), (5, 416160914), (10, 208080457), (13, 160061890), (19, 109516030), (26, 80030945), (38, 54758015), (65, 32012378), (95, 21903206), (130, 16006189), (190, 10951603), (247, 8424310), (494, 4212155), (857, 2428010), (983, 2116790), (1235, 1684862), (1714, 1214005), (1966, 1058395), (2470, 842431), (4285, 485602), (4915, 423358), (8570, 242801), (9830, 211679), (11141, 186770), (12779, 162830), (16283, 127790), (18677, 111410), (22282, 93385), (25558, 81415), (32566, 63895), (37354, 55705)]