27720474620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3371}}^1\times {\mathrm{5791}}^1$

素因数の和:9242

約数の個数: 48

約数和(自身を含む): 59060606976

約数和(自身を除く): 31340132356

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 3371, 5791, 6742, 11582, 13484, 16855, 23164, 28955, 33710, 57910, 67420, 115820, 239341, 411161, 478682, 822322, 957364, 1196705, 1644644, 2055805, 2393410, 4111610, 4786820, 8223220, 19521461, 39042922, 78085844, 97607305, 195214610, 390429220, 1386023731, 2772047462, 5544094924, 6930118655, 13860237310, 27720474620]

約数ペア:

[(1, 27720474620), (2, 13860237310), (4, 6930118655), (5, 5544094924), (10, 2772047462), (20, 1386023731), (71, 390429220), (142, 195214610), (284, 97607305), (355, 78085844), (710, 39042922), (1420, 19521461), (3371, 8223220), (5791, 4786820), (6742, 4111610), (11582, 2393410), (13484, 2055805), (16855, 1644644), (23164, 1196705), (28955, 957364), (33710, 822322), (57910, 478682), (67420, 411161), (115820, 239341)]