156965320

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{15269}}^1$

素因数の和:15537

約数の個数: 32

約数和(自身を含む): 354569400

約数和(自身を除く): 197604080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 15269, 30538, 61076, 76345, 122152, 152690, 305380, 610760, 3924133, 7848266, 15696532, 19620665, 31393064, 39241330, 78482660, 156965320]

約数ペア:

[(1, 156965320), (2, 78482660), (4, 39241330), (5, 31393064), (8, 19620665), (10, 15696532), (20, 7848266), (40, 3924133), (257, 610760), (514, 305380), (1028, 152690), (1285, 122152), (2056, 76345), (2570, 61076), (5140, 30538), (10280, 15269)]