54840760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 133721280

約数和(自身を除く): 78880520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 401, 520, 526, 802, 1052, 1315, 1604, 2005, 2104, 2630, 3208, 3419, 4010, 5213, 5260, 6838, 8020, 10426, 10520, 13676, 16040, 17095, 20852, 26065, 27352, 34190, 41704, 52130, 68380, 104260, 105463, 136760, 208520, 210926, 421852, 527315, 843704, 1054630, 1371019, 2109260, 2742038, 4218520, 5484076, 6855095, 10968152, 13710190, 27420380, 54840760]

約数ペア:

[(1, 54840760), (2, 27420380), (4, 13710190), (5, 10968152), (8, 6855095), (10, 5484076), (13, 4218520), (20, 2742038), (26, 2109260), (40, 1371019), (52, 1054630), (65, 843704), (104, 527315), (130, 421852), (260, 210926), (263, 208520), (401, 136760), (520, 105463), (526, 104260), (802, 68380), (1052, 52130), (1315, 41704), (1604, 34190), (2005, 27352), (2104, 26065), (2630, 20852), (3208, 17095), (3419, 16040), (4010, 13676), (5213, 10520), (5260, 10426), (6838, 8020)]