79573520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4027}}^1$

素因数の和:4072

約数の個数: 80

約数和(自身を含む): 209778240

約数和(自身を除く): 130204720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4027, 4940, 8054, 9880, 16108, 19760, 20135, 32216, 40270, 52351, 64432, 76513, 80540, 104702, 153026, 161080, 209404, 261755, 306052, 322160, 382565, 418808, 523510, 612104, 765130, 837616, 994669, 1047020, 1224208, 1530260, 1989338, 2094040, 3060520, 3978676, 4188080, 4973345, 6121040, 7957352, 9946690, 15914704, 19893380, 39786760, 79573520]

約数ペア:

[(1, 79573520), (2, 39786760), (4, 19893380), (5, 15914704), (8, 9946690), (10, 7957352), (13, 6121040), (16, 4973345), (19, 4188080), (20, 3978676), (26, 3060520), (38, 2094040), (40, 1989338), (52, 1530260), (65, 1224208), (76, 1047020), (80, 994669), (95, 837616), (104, 765130), (130, 612104), (152, 523510), (190, 418808), (208, 382565), (247, 322160), (260, 306052), (304, 261755), (380, 209404), (494, 161080), (520, 153026), (760, 104702), (988, 80540), (1040, 76513), (1235, 64432), (1520, 52351), (1976, 40270), (2470, 32216), (3952, 20135), (4027, 19760), (4940, 16108), (8054, 9880)]