28640035

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1039}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 35568000

約数和(自身を除く): 6927965

約数列:

[1, 5, 37, 149, 185, 745, 1039, 5195, 5513, 27565, 38443, 154811, 192215, 774055, 5728007, 28640035]

約数ペア:

[(1, 28640035), (5, 5728007), (37, 774055), (149, 192215), (185, 154811), (745, 38443), (1039, 27565), (5195, 5513)]