816317121040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{143717803}}^1$

素因数の和:143717887

約数の個数: 40

約数和(自身を含む): 1924668831168

約数和(自身を除く): 1108351710128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 143717803, 287435606, 574871212, 718589015, 1149742424, 1437178030, 2299484848, 2874356060, 5748712120, 10203964013, 11497424240, 20407928026, 40815856052, 51019820065, 81631712104, 102039640130, 163263424208, 204079280260, 408158560520, 816317121040]

約数ペア:

[(1, 816317121040), (2, 408158560520), (4, 204079280260), (5, 163263424208), (8, 102039640130), (10, 81631712104), (16, 51019820065), (20, 40815856052), (40, 20407928026), (71, 11497424240), (80, 10203964013), (142, 5748712120), (284, 2874356060), (355, 2299484848), (568, 1437178030), (710, 1149742424), (1136, 718589015), (1420, 574871212), (2840, 287435606), (5680, 143717803)]