80402080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4153}}^1$

素因数の和:4190

約数の個数: 72

約数和(自身を含む): 208838196

約数和(自身を除く): 128436116

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4153, 4840, 8306, 9680, 16612, 19360, 20765, 33224, 41530, 45683, 66448, 83060, 91366, 132896, 166120, 182732, 228415, 332240, 365464, 456830, 502513, 664480, 730928, 913660, 1005026, 1461856, 1827320, 2010052, 2512565, 3654640, 4020104, 5025130, 7309280, 8040208, 10050260, 16080416, 20100520, 40201040, 80402080]

約数ペア:

[(1, 80402080), (2, 40201040), (4, 20100520), (5, 16080416), (8, 10050260), (10, 8040208), (11, 7309280), (16, 5025130), (20, 4020104), (22, 3654640), (32, 2512565), (40, 2010052), (44, 1827320), (55, 1461856), (80, 1005026), (88, 913660), (110, 730928), (121, 664480), (160, 502513), (176, 456830), (220, 365464), (242, 332240), (352, 228415), (440, 182732), (484, 166120), (605, 132896), (880, 91366), (968, 83060), (1210, 66448), (1760, 45683), (1936, 41530), (2420, 33224), (3872, 20765), (4153, 19360), (4840, 16612), (8306, 9680)]