28042430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1979}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 54885600

約数和(自身を除く): 26843170

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 1979, 2834, 3958, 7085, 9895, 14170, 19790, 25727, 51454, 128635, 215711, 257270, 431422, 1078555, 2157110, 2804243, 5608486, 14021215, 28042430]

約数ペア:

[(1, 28042430), (2, 14021215), (5, 5608486), (10, 2804243), (13, 2157110), (26, 1078555), (65, 431422), (109, 257270), (130, 215711), (218, 128635), (545, 51454), (1090, 25727), (1417, 19790), (1979, 14170), (2834, 9895), (3958, 7085)]