28224040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54277}}^1$

素因数の和:54301

約数の個数: 32

約数和(自身を含む): 68390280

約数和(自身を除く): 40166240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 54277, 108554, 217108, 271385, 434216, 542770, 705601, 1085540, 1411202, 2171080, 2822404, 3528005, 5644808, 7056010, 14112020, 28224040]

約数ペア:

[(1, 28224040), (2, 14112020), (4, 7056010), (5, 5644808), (8, 3528005), (10, 2822404), (13, 2171080), (20, 1411202), (26, 1085540), (40, 705601), (52, 542770), (65, 434216), (104, 271385), (130, 217108), (260, 108554), (520, 54277)]