28111460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8317}}^1$

素因数の和:8352

約数の個数: 36

約数和(自身を含む): 63932148

約数和(自身を除く): 35820688

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8317, 16634, 33268, 41585, 83170, 108121, 166340, 216242, 432484, 540605, 1081210, 1405573, 2162420, 2811146, 5622292, 7027865, 14055730, 28111460]

約数ペア:

[(1, 28111460), (2, 14055730), (4, 7027865), (5, 5622292), (10, 2811146), (13, 2162420), (20, 1405573), (26, 1081210), (52, 540605), (65, 432484), (130, 216242), (169, 166340), (260, 108121), (338, 83170), (676, 41585), (845, 33268), (1690, 16634), (3380, 8317)]