26754220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 31161428

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 227, 284, 332, 355, 415, 454, 710, 830, 908, 1135, 1420, 1660, 2270, 4540, 5893, 11786, 16117, 18841, 23572, 29465, 32234, 37682, 58930, 64468, 75364, 80585, 94205, 117860, 161170, 188410, 322340, 376820, 1337711, 2675422, 5350844, 6688555, 13377110, 26754220]

約数ペア:

[(1, 26754220), (2, 13377110), (4, 6688555), (5, 5350844), (10, 2675422), (20, 1337711), (71, 376820), (83, 322340), (142, 188410), (166, 161170), (227, 117860), (284, 94205), (332, 80585), (355, 75364), (415, 64468), (454, 58930), (710, 37682), (830, 32234), (908, 29465), (1135, 23572), (1420, 18841), (1660, 16117), (2270, 11786), (4540, 5893)]