81744650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6619}}^1$

素因数の和:6663

約数の個数: 48

約数和(自身を含む): 172384800

約数和(自身を除く): 90640150

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 6175, 6619, 12350, 13238, 33095, 66190, 86047, 125761, 165475, 172094, 251522, 330950, 430235, 628805, 860470, 1257610, 1634893, 2151175, 3144025, 3269786, 4302350, 6288050, 8174465, 16348930, 40872325, 81744650]

約数ペア:

[(1, 81744650), (2, 40872325), (5, 16348930), (10, 8174465), (13, 6288050), (19, 4302350), (25, 3269786), (26, 3144025), (38, 2151175), (50, 1634893), (65, 1257610), (95, 860470), (130, 628805), (190, 430235), (247, 330950), (325, 251522), (475, 172094), (494, 165475), (650, 125761), (950, 86047), (1235, 66190), (2470, 33095), (6175, 13238), (6619, 12350)]