26143975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 12853529

約数列:

[1, 5, 11, 13, 25, 55, 65, 71, 103, 143, 275, 325, 355, 515, 715, 781, 923, 1133, 1339, 1775, 2575, 3575, 3905, 4615, 5665, 6695, 7313, 10153, 14729, 19525, 23075, 28325, 33475, 36565, 50765, 73645, 80443, 95069, 182825, 253825, 368225, 402215, 475345, 1045759, 2011075, 2376725, 5228795, 26143975]

約数ペア:

[(1, 26143975), (5, 5228795), (11, 2376725), (13, 2011075), (25, 1045759), (55, 475345), (65, 402215), (71, 368225), (103, 253825), (143, 182825), (275, 95069), (325, 80443), (355, 73645), (515, 50765), (715, 36565), (781, 33475), (923, 28325), (1133, 23075), (1339, 19525), (1775, 14729), (2575, 10153), (3575, 7313), (3905, 6695), (4615, 5665)]