28526260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5507}}^1$

素因数の和:5560

約数の個数: 48

約数和(自身を含む): 70326144

約数和(自身を除く): 41799884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5507, 11014, 22028, 27535, 38549, 55070, 77098, 110140, 154196, 192745, 203759, 385490, 407518, 770980, 815036, 1018795, 1426313, 2037590, 2852626, 4075180, 5705252, 7131565, 14263130, 28526260]

約数ペア:

[(1, 28526260), (2, 14263130), (4, 7131565), (5, 5705252), (7, 4075180), (10, 2852626), (14, 2037590), (20, 1426313), (28, 1018795), (35, 815036), (37, 770980), (70, 407518), (74, 385490), (140, 203759), (148, 192745), (185, 154196), (259, 110140), (370, 77098), (518, 55070), (740, 38549), (1036, 27535), (1295, 22028), (2590, 11014), (5180, 5507)]