28971040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25867}}^1$

素因数の和:25889

約数の個数: 48

約数和(自身を含む): 78224832

約数和(自身を除く): 49253792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25867, 51734, 103468, 129335, 181069, 206936, 258670, 362138, 413872, 517340, 724276, 827744, 905345, 1034680, 1448552, 1810690, 2069360, 2897104, 3621380, 4138720, 5794208, 7242760, 14485520, 28971040]

約数ペア:

[(1, 28971040), (2, 14485520), (4, 7242760), (5, 5794208), (7, 4138720), (8, 3621380), (10, 2897104), (14, 2069360), (16, 1810690), (20, 1448552), (28, 1034680), (32, 905345), (35, 827744), (40, 724276), (56, 517340), (70, 413872), (80, 362138), (112, 258670), (140, 206936), (160, 181069), (224, 129335), (280, 103468), (560, 51734), (1120, 25867)]