81113565520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77993813}}^1$

素因数の和:77993839

約数の個数: 40

約数和(自身を含む): 203095891656

約数和(自身を除く): 121982326136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 77993813, 155987626, 311975252, 389969065, 623950504, 779938130, 1013919569, 1247901008, 1559876260, 2027839138, 3119752520, 4055678276, 5069597845, 6239505040, 8111356552, 10139195690, 16222713104, 20278391380, 40556782760, 81113565520]

約数ペア:

[(1, 81113565520), (2, 40556782760), (4, 20278391380), (5, 16222713104), (8, 10139195690), (10, 8111356552), (13, 6239505040), (16, 5069597845), (20, 4055678276), (26, 3119752520), (40, 2027839138), (52, 1559876260), (65, 1247901008), (80, 1013919569), (104, 779938130), (130, 623950504), (208, 389969065), (260, 311975252), (520, 155987626), (1040, 77993813)]