1296752705840

素因数分解:

$2^4\times 5^1\times {\mathrm{761}}^1\times {\mathrm{21300143}}^1$

素因数の和:21300917

約数の個数: 40

約数和(自身を含む): 3018912009408

約数和(自身を除く): 1722159303568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 761, 1522, 3044, 3805, 6088, 7610, 12176, 15220, 30440, 60880, 21300143, 42600286, 85200572, 106500715, 170401144, 213001430, 340802288, 426002860, 852005720, 1704011440, 16209408823, 32418817646, 64837635292, 81047044115, 129675270584, 162094088230, 259350541168, 324188176460, 648376352920, 1296752705840]

約数ペア:

[(1, 1296752705840), (2, 648376352920), (4, 324188176460), (5, 259350541168), (8, 162094088230), (10, 129675270584), (16, 81047044115), (20, 64837635292), (40, 32418817646), (80, 16209408823), (761, 1704011440), (1522, 852005720), (3044, 426002860), (3805, 340802288), (6088, 213001430), (7610, 170401144), (12176, 106500715), (15220, 85200572), (30440, 42600286), (60880, 21300143)]