28727270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20089}}^1$

素因数の和:20120

約数の個数: 32

約数和(自身を含む): 60752160

約数和(自身を除く): 32024890

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 20089, 40178, 100445, 200890, 220979, 261157, 441958, 522314, 1104895, 1305785, 2209790, 2611570, 2872727, 5745454, 14363635, 28727270]

約数ペア:

[(1, 28727270), (2, 14363635), (5, 5745454), (10, 2872727), (11, 2611570), (13, 2209790), (22, 1305785), (26, 1104895), (55, 522314), (65, 441958), (110, 261157), (130, 220979), (143, 200890), (286, 100445), (715, 40178), (1430, 20089)]