65620490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 138378240

約数和(自身を除く): 72757750

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 247, 310, 403, 494, 589, 806, 857, 1178, 1235, 1714, 2015, 2470, 2945, 4030, 4285, 5890, 7657, 8570, 11141, 15314, 16283, 22282, 26567, 32566, 38285, 53134, 55705, 76570, 81415, 111410, 132835, 162830, 211679, 265670, 345371, 423358, 504773, 690742, 1009546, 1058395, 1726855, 2116790, 2523865, 3453710, 5047730, 6562049, 13124098, 32810245, 65620490]

約数ペア:

[(1, 65620490), (2, 32810245), (5, 13124098), (10, 6562049), (13, 5047730), (19, 3453710), (26, 2523865), (31, 2116790), (38, 1726855), (62, 1058395), (65, 1009546), (95, 690742), (130, 504773), (155, 423358), (190, 345371), (247, 265670), (310, 211679), (403, 162830), (494, 132835), (589, 111410), (806, 81415), (857, 76570), (1178, 55705), (1235, 53134), (1714, 38285), (2015, 32566), (2470, 26567), (2945, 22282), (4030, 16283), (4285, 15314), (5890, 11141), (7657, 8570)]