80185040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77101}}^1$

素因数の和:77127

約数の個数: 40

約数和(自身を含む): 200773608

約数和(自身を除く): 120588568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 77101, 154202, 308404, 385505, 616808, 771010, 1002313, 1233616, 1542020, 2004626, 3084040, 4009252, 5011565, 6168080, 8018504, 10023130, 16037008, 20046260, 40092520, 80185040]

約数ペア:

[(1, 80185040), (2, 40092520), (4, 20046260), (5, 16037008), (8, 10023130), (10, 8018504), (13, 6168080), (16, 5011565), (20, 4009252), (26, 3084040), (40, 2004626), (52, 1542020), (65, 1233616), (80, 1002313), (104, 771010), (130, 616808), (208, 385505), (260, 308404), (520, 154202), (1040, 77101)]