26257420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 65239776

約数和(自身を除く): 38982356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 137, 140, 148, 185, 259, 274, 370, 518, 548, 685, 740, 959, 1036, 1295, 1369, 1370, 1918, 2590, 2738, 2740, 3836, 4795, 5069, 5180, 5476, 6845, 9583, 9590, 10138, 13690, 19166, 19180, 20276, 25345, 27380, 35483, 38332, 47915, 50690, 70966, 95830, 101380, 141932, 177415, 187553, 191660, 354830, 375106, 709660, 750212, 937765, 1312871, 1875530, 2625742, 3751060, 5251484, 6564355, 13128710, 26257420]

約数ペア:

[(1, 26257420), (2, 13128710), (4, 6564355), (5, 5251484), (7, 3751060), (10, 2625742), (14, 1875530), (20, 1312871), (28, 937765), (35, 750212), (37, 709660), (70, 375106), (74, 354830), (137, 191660), (140, 187553), (148, 177415), (185, 141932), (259, 101380), (274, 95830), (370, 70966), (518, 50690), (548, 47915), (685, 38332), (740, 35483), (959, 27380), (1036, 25345), (1295, 20276), (1369, 19180), (1370, 19166), (1918, 13690), (2590, 10138), (2738, 9590), (2740, 9583), (3836, 6845), (4795, 5476), (5069, 5180)]